ĐỀ KIỂM TRA HK II VẬT LÍ 11 HAY

A\*

DE THI KHOI

11

CB

I

2OA9

&

2O1O

Thdi gian : 60 phfr
Dinh nghia drrdng sfc

til.

Cho bidt cdc tinh chdt cria dudng

srtcft

?

Cf,u2(1 d)
Cho Uidt

tgt luQn nhrrt[dnio

li

hiQn trlgng

cim fng tliQn til ? Ph6t Uidu

len.xd(Lentz)v6chi6u.ddngcti0nc6mr?ng?.,l

;Ointr tugt

a

',

Cho bi6t nhu thd nio th hiQn trrQng khrlc x4 6nh s6ng . Ph6t bidu A6n lugt khric x4

:l

Dinh nghia vd ilriQn trrqng phfrn x4 toin phdn . Cho bidt di6u ki€n dd c6 hiQn tuQng
phin xa toin phdn

91ls

(1d)

?:
?

I

Cho ddng itiQn thSng c6 crrdng db I = 0,5A cl{t trong khdng khf .
a/ Tinh tlQ ldn cim fng tU t?i didm M cr{ch ddng tli€n r = 4 cm

.

blBidt cim rlnetfi,tai didm,N le P'= lOaT . Tinh khoingcdchtil N ddn ddng

40n

?

: . *--e0u41d)
'
.r'

M6t vft
1

= -10cm

,

vi

:

s6ng

cdch thdu kfnh 15cm . Xr{c Oint vi tri

'

cia

1 thdu

Cho 2 ddng CliQn Ir =12=54 chayttong hai ddy ddn dii , song song , cdch nhau
dlVG vectd ctm

,1

kinh phfln k) c6 ti6u cg f
6nh , cho bidt 6nh:nh6 hdn hay ldn

AB d{t vu6ng g6c vdi trgc chinh cui

fng

tt

tdng ho.p

t4i M , c6ch dty

thrl

nhdt

10cm

vi cdch ddy thti'hai

MOt l6ng kinh thriy tinh c6 chi6t sudt n= !,4L4,. Tidt diQn th8ng ctia tlng kinh

li

tamgi6ctI6uABC.Chi6u1tias6ngnHmtrongm4tph&ngcfiatidtdiQnth8ng,tdiAB
-

A,,t6i450.TinhgoclQchcfiatias6ngqualdngkinh?'',;.
mot
.
9soc I
-L- -- -----e

{

MOt m{t binh thrrd:rg c6 v6ng mac c6ch thrly tinh tfrd t do4n 15mm . Hdy tim ti6u c{
cria thriy tinh thd'khi nhtn vQt AB trong 2 tnrdng hgp sau :

ry T

: '&"
:\IF

Sz Si , rt0-?+3 S: ilrt J0 '*r

8:-:., J-c-'+

-'r

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TRA HOC xi z NAM zoll
LtIT, COnfut ( trUigiln:60 phfit)

Et K{tM

Cdu I :dDinh nghla tir tnrdng v* dulng stc tt.
:Unri6t
-'3 l, cudng Jong th(rc urfi tu. tU tac dung l0n tloan diy Afrn co ctridu ddi

-

.

l

Cdu 2 : Th6 nao B hiQn tgqug I c xe 6nh seng? PhAt bi6u.diolr loflt.kt uc xe 6nh s{ng.
? NEu rli0u kign A6 cO pMn xa todn phAo
rtE oao ra f,iie, t"Oig iten xa tS" p[i,
'
COng
thuc tlnh g6c e0i hen piu-a ia tonn phAn..
-eM

ht6n vi vi vi6t cdng thrlc tlnh s6 b0i gi6c lfii ngim
,N6r-.6r"'rfl,
d vO crrc cta ldnh ni6nvi.
chtmg
-eM
Neu rAr dtr" '
Ceu,6 : Hai day dtr" thiog dei d+1. song song trolg kh0ng khl vA c6ch nhau cloan 6 cm, ddng dien
hai diy afln cf cr)ng chitu I'd ctng cudng d0 h 24.
chey qui
i) Ve vecto cim ung tir i6ng hq i ei diEm U cacn diy thtl nnfu Z cm vd c&h dty thir hai 4cm.
D Xlec dinn d0 ldn cdm img tur tdng hry tai M.
peu :M0t 6rg dny c6 hei sO tu cem 40 mH 6urg ob dOng {i$n 5A. clrgy gua

6

Jr'e,"*ir,i" fi;

7

;. Ttnh rr,Ele luqrg tu trudng. tlch lt-y troog. ldng 6ng
b. Trong thdi gian-02 s ddng dirn grim ddu vd 0. Ttnh dO l6n cua su6t tlign tlOng {r cdm xu6t
hiEn rong thdi gian tren. :
CAY,.

a

Cdu 8 :tfr$t vflt-ptring nhd tl{r vu6ng g6c vdi truc chinh vilrudc m$t th6u klnh hOi tU, ti€u cU 30
rrn, *Ot kho6ng ZO r* thi .4nh n rn vflt hiQn ra d d8u vi c6 s6 pMng dei B bao nhi€u? Vg hlnh. ^
vhg6c tdi ir 500

Ci" q :' Khi Jni6u 6nh sdng As i, ic qua llng Unh ti6t $An te tu" srnc
toi irfi mn tnrr (2) bing nhau .Gdq lOch cta tia sdng qua ltrng
tht t--ffi6c klirc xs d m& (l) ;6i
klnh khi tl6 b6ng lso nhiQu
cacn
Cfu 10 : f"{0t ngrrti bi c$t thi Ermg klnh s6 d0 tu -2dp sdt m& tn nhtn tlrrgc vfr xa
mrit.
vitn
cru
dinh di0m crrc

fu

! ,;

!i[
(

*&

^hZ*,)dc

t

r
{,

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r

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THI HQC Ki U nIm ho.c zAn-ZAlz
tvt0N: vAT
r-OP rrcb -Thli giar a5 phft
Cflu 1: Dinh nglia tr) truon& n0u 4 tinh ch.i1 cria &rong srlc tir? (1,5 d)
( 1,5 d),Pinh nghia hrc Lorenxo .Vi$ c6ng thrlc tinh lgc Efonenxo .
releetron chuyAn t$sg vci vfln t6c 2 . 1 06m/s vdo t& tnrdng dAu B{,0 1 vi
T
4o duns : MQl
chiu trlc drpg cria lrrc Lore,n xo F1,6.10'ttt.fintr goc ho-? boi E vn v
Cflu 3: (1,5 dl Tt€ rrio li hisn tuqng t1r cim .viiSt 6i€u t]r&c su6t di$n dQng tu qr cf,m ,vi
+An xdt & Ionsu6t di$n &nS tp cim
Ap dung ; M* 6agde.y"c6 # 4r cim ,m0n0$ .DonS di$a qtra &re dey Gu 11 2A d{n 1A
trongthli gianthli gian 10-2s .Su.fo di€n d$ngtp cirn sinh ratrong 6*g dey h.bao nhi6u?
Glg-{:( 1,5 d )Tia s6ngtruy&rtunudc vikhric ,<*tzkhdngkhi..Tiakhfc:rpvitiaphan
xa vu&€ g6c nhau. Nudc c6 chiiit iudt ln 4/3, kh6ng khi A chi6t su.it h 1. II2ty tt rtr Sra tri
cna goc toi i?

Il

@!:

C0u5: (1,5d)
aDinh ndria hi€n tuqng ph,fu xA toin ptrdn; DiAu ki€n ad co phf,n xrp toan pMn.
b/Tinh g6c tdi grdi hflr [*ri r{r,rhn{ngtfi tr} m6i tnrong thriytinh c6 ohi6t zuf UinS Ji ru
kh&rg khi
$EUS: MQt v$t gring AB d{:t rnrdng, gtu vdi @c chinh ctra m$t th.iu kinh phen ki c6 ti6u
qr le -30qq, Bi6t rlng AB crflch 1h.6.i t r{,h mOt Soan 60cm. )fts dith vi ti 6nh, tinh chlt
enh d0 phong dai enhvivE Anh? (1,5 d)
Cflu 7: (1,5 d ) Hai aay dfrn th8ng +r d# song song tong khdng khi vi crlch nhau doAn
10 cm, ddng eliSn ch?y qua hai diy dfln co ctrng chi6u vi cring cuimg d0 h 2A
a) VG vec{o cim img tr} trSng hsp t4r di6m M crtuh day th* ntr6t + cm vi cdch dfly thr?

b) Xic

dinh

dO

lcn cdrn ung

tt t6ng ho-T t+i M.

I{ET

I


s!f, a{Ifu,{ TBAEI+C t{I 2
ni ii g:{yn6ff if,Eu-fr siwxe t 4* p6s{e{ i

2o7L Ic13

e.ti[p-i ; {i.rSd}

# Hsy d,lsah ",nghEe, c*c .*r@g*h.fp*ssss

+ Ehmg di$m Edu- csi
+
di$n dtng *6BE itesg
"er*t

.A

S*\
=rt'';

+ EIi$m
h/ E{Ey grtrfit hfi6er :

0sffiJ'ag f,gr *,&m

i SH'nE?T-}}1ou,v&
- ' su6r ci6n dqng c*mr eng.v& vi6t hi6u th{rn c&a fiinh lugt (

kEr&mgcAnch&'thich)

'

-

j

t:&u?:(.rdI}[4stkhungdflyMNP(,crrug,pning,rliBmtictrs=25*I|2,g&mltl
-*+*g cffirr"ng df,y ilrrrc art t*ng trrrtr1ffqttiu . r+c trrcii*r ri'ng tri''wfi:rg gt * vi* ttt{t
J2,4.lt] = T. $au ktroflng ttuiiri giam 6s - 6'rts ca'rm
oirA[* ilfrrmg d6f v* co Od lgrla B,
tir giiiiir d6ei F, = t
qua khumg rlfly tn'rng
J ia* almrr ag u#ri tniao c&a r#rh&"g
U Tinh {iq itir$ c&a suii dign rlgng cfrrn rtrrg trpug k}r*ng'
#i-rg

#

rr

kBmfrng

thni glan trsm"

3 : {!.,5 4 fU6 n&o l* hi$lr tuq.mg khric xg rturh sf,ag? Pnat Uifu n$t daamg Ye 3rg#g
Al*m itroru c&a.ilinh lu$i khfrc xp inh sring?
vrvi gfu'r.r'*i l* +#- eui*r. nu*d
'xl,u
ffi;;;; .-.[r6"'"'t* ria s*ng,Lro *x.ri]ri,rr'a'{.nira thr{,tinh
&6sBas6 .e{E:
q:&ffi *gla-gy
q,* q:Egffi
E
sE€ srp
Er5 Tise$e

B-aBsEE E*r
{ErH$ d.issBs
Wuq: EE}Eai
4/S yas
H;e! E WF$
fr Ae
Aili. 4i*?
nsBBqS.{
ggrapg pE tut*&ua p*a#ea? H#m #fi#as ffi#xa S'd c6 pBa&at xry
A&qe-d : {4,5 d} g$a# aa&rs Be Eafi#ffi
$aa $
=4
E--flrr

'*ryry
ta*im pf,aftaa.
g&a b#aag
Ap d "umg; &,€+€ nh*r pEawtis {de {fu8&$ *w&s teay*8
Jl'p{IFIlg;fv.!|Jld:r!ar-Plal'!11'-'1"'r-rr-'3!rEr.'*';fdr:'wJPt?+!is's'r'E6t'
;J5
W F}-1.Tq}hi}
ari'intr goc gi6i han pien xs toin phin cif chit Pfasti=
td'i 6.tt'. ?imh goc khrirc
gac
tr*n
dinffi
ptasi&
ch*t
vao
khl

tirk&bng
di
M Cho frp ii* reag

f{, {*i

.

=* *ur r:- (x,5 a;nviiu ciu t4o efra kinh thi6n vEn, csng thlit tinh *n r,iri giic c&a l+fnh thisre

ctic-{tifi

:.
van khi ngiiir chrtsng *vS
Tinh
vi.{hi,Halh.o6j$:oH5cmcry?xn
ti0u
ed
Ap dung: 1rflt ldnh I*u *-Ot't*nt, ttriO* vf,n
t*
chftng
ng'}m
khi
-E-u+i g?*.' *t klrufr"E s6ch $fia vS{ kinh vfr thi h,iah cfm,klnh lhi*s r'6.n
v{i ctre.(ll,Sit}
csu 6 : f1,5 dil'&t n,nng ,iE ii{i vu0ng g6c vt*i irgc chinh c'&a thf,u $af,saF&,tr&e;fu *fa&ss
i=* sfir's iin vfr Ae,riuh ti6u 6tr'oc&s {'h*ag kAEEfu
;

unaffi,;;;#;H"hHH[A'il

firi.
C&,r ? : {[,-{iI} Hai d$y dEn
Errlnc;iA;chay trGn dfly i li

fi#;t# r*;

thang diri smg sang e*ch,3h15 3?.fS- t1*?$,ryT*g,}#;*--

Ir:

tn,".,g mf,iph*"g-ir'o zit,i,g,t#r'
't';ii*
egiri i'i*g ti:rt6 f*i,
dfrr,g fi;6r, i2 tiiein).

;J-f,-

ir8n rlfly 2 le rr:5 {A} lFqr
rrErii:'kh***rg hai*}ing:dffin'vi

1 1.t1, eong tlign chgy

*ryB'-u
e:*e':h


so GxAo DUC & EAO TAO

ME KHEN/fl TRA

LONGA}tr
T'F{IffiTG TE{PT AAN GIUCIC

1

2

A
B
C

4

3

X

XK

X

5

X

6

2t

22

{

A
\.r

,X

B

,k

C

24

23

B

XX

D
25

Y

k

26

X

Cffi$

[,6sx X a&a E{Kz
Thdi gian ldm bdi: 45 phfit
(30 cdu *dc nghiQm)

7

X

.EF.

I T'EET'E,f XX

27

28

9

10

>{ >{
29

1L

13

T4

X

16

d"{5

>(

X

A
}(

X

L7

20

18

X

\,/

n-

Me phbng

30

_k

V

l2

/

X
X

Didm

F*

e\.

kf

\-""

,.tli

i.rr i o*S

i{!ir;,
!.'i.iig

X

D

-Cffu 1: HiQn tuqng t.u cim ld hiQn tuqng cim img tliQn tu do sg bi6n thi6n tu th6ng qua mpch
gdy ra boi
.t...-.-A+^ra
-A;sU chuyOn
ilQng cria nam chdm v6i mpch
--B. sU bi6n thi6n cria tir trulng filei aal
C.sU bi6n thi6n cria chfnh rodrg d6 fldngcliQn trong mpch
D.sU chuy6n dQng cta m4ch vdi nam chdm

---

C6u 2: MQt ddng diQn chay trong mQt diy d6n trdn 100 vdng , duorng kfnh 20cm
10A thi q6m ung ft t?i tdm cdc vdng ddy ld
"4. Ar2mT
B. A,Zn mT
C" 20n pf
B, 2n mT
Cfiu 3: Fh6t bi6u ndro dudi dfly le dfng ?

Tt

trucrng bdn trong 16ng 6rrg d6y d5n mang ddng diQn
/r. Iudn bflng 0

B" ti t9 vdi chiAu dei 6ng d6y
r
C. ti lQ vcri titlt dign 6ng
D. le d6ng d6u

v6i cudng

dQ

:

dAy

cfiu 4: EO len cira l$c Lo-ren-xo kbafumgphu thuQc viro
A. d0 lon cria cim ring tir
ts" d0 ldrn vfln t6c cira diQn tfch
C. khOi tuqng cta dien tich
5: Ong $dy (t) gO cung ti6t diQn vdi 6ng d6y (2) nhung chi€u dai Ong vd
nhi6u hcrn gdp b6n l6n .Ti s6 hq s6 t.u cim cria 5ng (l) v6i dng (2) ld
A"1
8.4
c.2
D.8
C.f,q

sO

vdng ddy dcu

91" 6: MQ_t doan ddy d5n dii 0,5m mang ddng diQn 10A , dflt vu6ng g6c trong mQt tu trudng

d6u c6 d0 lon cim img tir 1;2T .N6 chiu mQt lgc tu t6c dpng li
A.dNI

B.

12N

c"O(bt)

D. 18N

Cflu 7: Tp! mQt OiCm cdch mQt d6y adn ttring ddi vO hpn mang dong diQn 5A c6 c6m rmg tu
0,4pr .N6u cucmg dQ ddng diQn trong dey dEn tEng th6m lsAthi cim mg r& tpi Ai6*d6 c6
gi6 tri ld
A.
B.
C.
D^ 1,6tr[
C6u 8: MOt diQn tichbay vdo mQt tu trudrng il6u v6i vpn t6c 2.105m/sthi chiu mQt lgc Lo-renxo c6 d0 16n 10mN.N6u dign tich d6 gifinguyCnhucmg vd bay v6i vpn tOc O.tbsm/s vio thi
d0 lcrn luc Lo-ren-xo t6c dpng l6n diQn tfch ld

0,2/iT

AgpT

l,2pT

Trang ll3 - Me Ae tni 209

A"

40mN

cffu 9: cho hai day {an

35mN

25mN

E'

ia,

u*

\

[r" 30mN
J\,II].I\
D"
^ a<*\T
A"
c6 hai ddng diQn cups chieu
nhau v}r song song v6i nhau .Khi

nhau

D. htt nhau
c. day

n. kh6ng tuong
ddy dan kh6ng phllthuQc vdo
Cfiu tro: Lgc tu t6c dgng 16n <1o4n
n chav t'ong
kons d6v
ddv rddn
aJi d;;;a'"';;e ab'e
C. diQn tro ddY
.^ "'1- tigt diQn c6 b6n kinh 0'5mm sao cho c6c
d6y.md
loai
bing
cau 11: Nr6t Ong ddy dugc 919,
.mg ru trong tbng ong ddy ld
q"u trri ao-i*
z6e".t
aie,
iv
---aJ
ddng
.Iihi;t
nhau
s6t
vdng
D' 8 mT
.f,'8l-*f
C' 4ffLT
A.4trrril
c6c
canh 20cm nim trong tu truAng ddu '

w6ng
Z{>,hinh
td
Aien
g
d6,yadn
CAu 12: MQt khun
gian 0'2s thi
img ,,i gi-# tAu tu 1T vd 0 trong thoi
cim
vdi
g6c
ducrne.:,ir.ifri
canh vu6ng

t6c

'nX 3E: Hi.t?i-t*

--i.,iia,

'i'i#'

ddn

i:;:ffi:?i"tr#
..*

ddlq cliQn vdi cuorng d0 54 chpy qua
dang,c6

20mH
c6m
,n
,a
rre
co
cffu:l3: tvtEt ong dav
a6"e tu cim cira 6ng -d6v c6 d0 lCIn
aie"
ddng
.Trong thdi gian 0,2s

ei#;i;&;;Aaie"
,uo.o,,uB.10VC.0;1V--:.:o,;.,

trong truong hgrp ndo sau day ?
cfiu 14: Ddng diQn Fu-c 6 khfungxuAt hiQn
A.LAnhOm dao dQng trong tU tru%g . . r. ., .
ft"y,ft lX* uo"g tir trucrng.biOn thi6n
;: Kh5t
tirt*i*g d.u.cit c6c duong srlc tir
C. Kh6i cl6ng chuy.q cl.ng tro"g
;:ift5itd;"sa; nrm trong tu trucrns bi6n thi6n todn bQ trong m6t tU trucrng ddu vd'u6ng
canh
?g"\nim
Cfiu 1.5: Mqt k,ung ddy hinh vu6ng
cua tu trucrng ginm fir 0'6T vO 0
;am
0,?:
tfrti

img
el*
cim
g6c v6i c6c ducrng
d6 c6 d0 16n H
gian"i"g'*
thli
f,ong
Aav
kh;;
.su6t dion dong;;G;
D' 1'2V
c
rr
A.
d6u c6 cim
tru]ng
tir
trong
d[t
5cm2
S
=
gi6i han diql tich
C6u 16; MQt vdng da, dfln ph6rrg
goi qua S li :
thenh v6i E mQt g6c 300 'Tt thong
tr*
iay
rOoE

:
ilut
0,1T
nn*e
ung ru B
B' (D = z'sJi.0-sYb-A. o =
D' o =*2'5Ji'lO-sY/b
C. o=
ciing vfin toc viro mQt tr)
cirng
q2.bay
ttrch
ttiQn
4qvi
q,
tich
=
Cfiu 17: Hai diQn
ldn cua
G^re" ;, ve; h 2.10-N vd 5.10-8N 'EQ
trulng itiu .Lpc Lo-ren-xo te"
diqn tich Qz ld
D. 4pC
C. 2,5 PtC
B. 10pC
A. 25 ltC
dulng silc fi le chc ducrng
cffu x.8: ?Tir trulng deu 1A ffi trulng ma c6c
B. thdng
I

dOu nhart
;
1(Y song
e/1r10 song
6ch trsLt
va' cacn
A. th[ng
D. thangsong song

il

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120mv

d' tl*

e.2aomv-

'{'qy

.

tz,s.lo-s4b
2,5J0-sWb

lyff^:

d;ia.

C. song song

sau :
CAu 19: Chgn cdu dring trong c6c cdu
vdi dbng diQn trong
A. Ddng diQn t.u c&m lu6n ngu99 chiOu
1i do su bii5n thi6n
mech '.
clqng
,rraiaien
c6m
t.u
,
rugng
hiQn
Trong
B.
"e*..irr;;"G
thong cua chinh mpch it6 gdy
tu c6m
ld trucmg.hgn riellg cira hiQn tucFg

*?tl

ra
c."men tuqng cim rmg diet' *
D. Ddng Aie, t.u t* 1i6n t"g

chi6u

'Oi

tu

dOttg diQn trong mpch

Trang

213

- Me

A0

ttri 209


C6u 20: MQt ddy d6n mang ddng diQn dugc UO tri theo phucrng nim ngung , c6 chi6u tu trong
ra ngodi .Ni5u ddy d5n chiu lgc tu t6c dpng 16n d6y c6 chi6u tu tr6n xu6ng du6i thi c6m img tir
B" ffu phai sa$g trht
D. tU trOn xu6ng dudi

A" tir trin sang phai
C, tu du6i 10n trOn

,{l\\

^

;

Cfiu 21; MOt 6rrg d6y co hQ sO tp cbmL, cucvng d0 dong diQn qua 6ng96y gihm d6u {a" fu 5.A
v0 0 trong khoing thli gian la 0, 1 (s)" Su6t diqn dQng tp cfrm xu6t hien trong 6ne trong
khoang thli gian AO ta 1,5V.FIQ sO L la
D.0,05 (H).
c.0,3 (H).
E; 0,03 (F{).
A.0,5 (ry).
Cfra?l}z Vt6t Ong d6y titit diQn 10cm2 , chidu dii 20cm vd c6 2000 vdng d0y ,F{e sO Lu cim cria
6ng d6y ( kt6ng 16i , dpt trong kh6ng khi ) H
' EBo 0r2mH
D. 0,2r mF{
C.0,8mH
.4," 8n mI{
Cf,u 23: Phdt bi6u ndro dudi dfly ld sai ?
4

'

SuAt diQn dQng fr,i cim c6
A" ddng dien t6ng nhanh

gieffil6n,khi

diqn gi6m nhanh
D: d_dng dipn bi6n thi6n nhanh
c. ddng diqn_c6 giiltri l6n
ChuZA:MOt dien tich 10-6C bay v6i v$n t6c 105m/s xi6n g6c a00 so vlicdc iluong sric tu,
mQt tu tnlOrrgeeu cfdQ lon 0,5T .DO lorr-criatyc Lo-ren-xo titc dUng l6n ttign tich
ts" ddng

li

A.2,5mN

B..25

N

vio

D, 25J'MN

C.25mN

r-A
Cffu 25: BiCu ndo sau ddy khhng dring khi n6i vO hq s6 t.u cd"m
"A.He rq t.o c6m php thuQc ti6t aipn Ong
ts. He tO t.o cim php thuQc vdo s5 vbng ddy cua 6ng

ddy ?
cta 6ng
^

p.HO rg t.o c6'm c6 tlcm vi la H ( Henry )
D.He 16 t.u c&m kh6ng php thugc vdo m6i trucrng xung quanh
C6u 26: Tir th6ng qua mQt diQn tich S kh6ng php thuQc y6u t6 nio sau A.. DiQn tich dang x6t
B. NhiQt tl6 m6i trucmg
C. G6c tpo boi ph6p tuyi5n vi vecto cim img tu

D.EO lcm cdm ung tu
Cdv27t Chgn cdu dting trong c6c cdu sau :
A. Tt th6ng ludn lcm hcrn hoflc b6ng t<*r6ng B. Tt thdng 1u6n 6m
B. Tt th6ng ld dAi luqng ve0t0
C. Tt thdng li dai lugng vO hucrng
Cdu 28: C6ng thirc ndo sau ddy ttirng khi tinh cim rlmg cim img tu tai t6m khung ddy d6n trdn
c6 ban kinh R vi cuong tlQ ddng itiQn ld I
ft

ft

D.mQt cdng thric khfc

'R''

Ciu 29: Vat fieu ndo sau ddy khAng flrC Aung ldm nam chdm ?
B. C6-ban rl hqp ch6t cua cO-ban
A. N$en vd hgrp chdt
p. Nh6m vi hqrp ch6t cria nh6m
c. Sit vd hgrp ch6t cua
Ciu 30: DO lcrn cria su6t cliQn elQng cim img trong mpch kin ti te v6i
B.dO 16n tu th6ng qua mpch
a. ti5c OO Ui6n thi6n tir th6ng qua mpch
D. di0n tich crla mach
C. dien trO ctra m?ch

crtaniken
sit

6y

Trang

313

- Ma A6 tni 209


Oiimem tra 45 phrit-m6n v$t
Cac em eann a6u x vdo

1

A

B

2

."K

E

3

>(.
A

B
B

g-

A.

*

C

B
B
B
B
B

@

4
5

6
7
8

9
10

,&
A
A

h
,A

C
C
C

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C;

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rg
p

1,2

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&

A

D

L6

A
A
A

&

l7

.R

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X

15

L9

KA

2A

A

18

D
D

B
B
w,
B

g
B
B
B
ts

x

@,

C
C

/f

11 CB (2014-2015)

cht trong 6 t16p rin dung nh6t

11

x

li-

ctra bang

tri ldi sau

sD

sst
22

D

23

b

24
25
26
27
28
29
30

aI

D

(

C
@

C

fr
@

D
D
D
D

B
>( g_
A

X-r
w
A

>f
A
A

>"{
d

B
B

ffi,
B
B

,4
B
B

C:
C
C
C
C
C
C
F
l-,

C

K

D
D
D

)K.
D

@

X

@

D
@

D6 1:

Cau l: Hdy chgn c6u dring. DO lon crla llrc N TilQ thu6n vdi binh phucrng khoang c6ch gifa hai diQn tich .
B/ Ti le thu6n voi tich khOi tuqng ctra hai diQn tich
C/ Ti lq nghich v6i khoAng c6ch gitahai ttiqn tich .
DlTilQ nglqich vd binh piucmg khoang c6ch gitahai dion tich
Ca" Zi-Cau nio li sai ktri giai thich vd Uan ch6t sW nhi6m diQn cira circv$t . .
nhi6m
e,, Vat e ti6p xtic voi vft B it6 nhi6m diQn , €lectron t.u do truy&r qua tti6m titip xirc lim cho A trd thanh
dien . D6 li nhi6m diQn do ti6P xric
ei Khi v4t nhi$m dipn duong thi c6c diQn tich duong tir v$t ktr6c chuy6n t6i , vOt nhiSm ttiQn 6m thi c6c diQn
tich 6m tir vflt kh6c d6 chuy6n tdi vflt
C/ 6lectron truydn;ffi; J*rnirrp x{rc gifia hai vflt khi hai v4t cq x6t voi nhau lim cho hai v0t d6 nhi6m
diQn , Ao u ntriEm eien ao ce x6t
D/ VAt kim loei A d ;A'n v4t B da nhi6m diQn , €lectron tu do ho6c bi hrit vc phan v4t A gan B hoac bi day v0
ph6n v{t A xa B , d6 le nhi6m Cflu 3: Chgn c6u p!r6t bi6u sai ve dulng sirc diQntrudmg:

N C,6c ducmg srlc tinh B/ Eulng stl eien 11 duong md hucmg tiep tuydn tpi b6t k! di6m ndo tr6n dulng cfing trung v6i hudng cira
vecto diQn truong & di6m d6.
---o 0- c6c diQn tich 6m.
Cle1cfluimg srtc diQn xu6t phat tir dien tich ducrng vd tin cirng
Dl CbcC0u 4: Cdu nio sai vA diQn trudng
A/ Trong hQ SI B/ Tinh ch6t co ban cria diQn trulng li tac dUng lUc ttign lOn diQn tich kh6c dat trong n6
C/ Cuong i10 diQn trudng li mQt dei lugng vec to , f- = q' F

Di Cudng d0 ttiQn trulng cua mot

ttiQn

tich sfi6m Q trong chdn kh6ng

cau 5:D4i lugng nio duoi d6y kh6ng lian quan
di6m M ?

d6n cucrng d0 ttiQn

,B=

trulng

k4
cria m6J diQn tich di6m Q tai mot

FI
-?a

"fl

*.

B/ DiQn tich tht q,ilAt,l,
D/ h6ng sO di$n m$i e cila m$i tnr$rng

A/ Di0ntich di6m Q.

C/ I(hoang c6ch r tt Q dCn M'
Cf,u 6: Chqn ctu thing !
d6
Uan dAu rong mOi drgn truong b6t ki'' Electron
tOC
UrJri'g'uao
electon
mqt
Th6

tl,ap

#:il}ll$3ffffiffiT}l*"ffi'ilf,Huu**::eer,ffi
diQnth6 cao
rt, Ai6*.0 A6n trr6 th6p 1€n di6m c6
"n*e"
A** ycnviHrOng c6.vfn t6c barr ddu
aiei *116 u*, = 3 v . Hoi dang thfc

gA"
Cl

'

Ft

---

<

sE

d

AO.rg

,l

*

, diQn dung

cnf

,$'i*:yu- 3 V
D/VN-Vrvr:

vi

'

"- --* '.-

bieu nao duoi
hiQu iti€.n trr6 giua hai beh ctra mQt tu dign . Ph6t

t .-B/Ctil9nghlchvoiU

I

D/ C ktrong php thuQc vio Q vi u
mOt diQn mdi d6ng ch6t c6
= 3.10{C ,a 4r': -r-I;;;'d6icach nhau 3 cm trong

Cf,u 9: Hai di.n

tichlr6*;

l:2.Lryctuong

trlc gita hai ttiQn tich

B/6oN

A/45N.

dav

C/VN-Vr"'I= 3 V

B/VN:- 3 V
3V
A/Vr,a="a;r,ie,
cfiu g:Gpi Q, c vi U ld diQn tich

d6ylnilring?
A/Ctil$thu0nvoiQ.
c/ c phu thuQc vio Q vn u

naolyii

li :

c/goN'

D/3oN

diQn cria mOt.T dlr,,.
Cfiu 10: Dar luqng nio dflc trtmg cho kh6 n6rrg tich
B/ Hi-cu diQn thc^ giita hai bdn cua tu itien'
A/ DiQn tich cria tp
D/ cuirng itO
rtiQn.
c/ Di-6n dung cria 4r itiQn.

Ciu 11: Chqn cdu ph6t bi€u sai vO tU diQn"
tich diQn cria tp diQn' '
e,,6i-f* dung cua tu Aieo H dai lugng d{t mmg cho khi ntuig

-

A!0n-rJ@-q9 tich diQn ld diQn truong dOu'
C/ 6rc" ,i;r, r.fr C, areriilton-taienrlci$ftfra hai: 6en tu6i6.n
o
D/ EiQndungctiatPdiQnchob0i C: i
c do bing
c6u 12: Su6t diQn dQng cta ngu6n diQn li dai luqng duo.
v6i d0
dienictr q duong tong ngu6n tir cuc 6m diSn cuc duong
A/thunng s6 gita c6ng ctra ryc 14 ai"n

B/

. --.--

G1fr4 hai bqg=1Ql

"t"ra"

lcm cua diQn tich d6
q duong ffong ngudn
B/ thuong sb gita iu"ta dich chry€n dien tich

tt cpc 6m d6n cyc ducrng voi d0 l6n cua

duong d6n cvc 0m v6i t10
chuy6n diQn tich q ducrng tong ngutin tir cuc
,ruu c6ng cua tpc 1.4 dlch

:
lon cua diQntich d6
trong ngu6n tir cgc 6m d6n cgc ducrng
q
ducrng
tich
diQn
ch-uy6n
dich
14
r1rc
vd
D/ thuong s6 gita c6ng
<10 ddne diQn ch4v qua
cidren o"
c6u 13:sqi U la nie"iie" *rrA gitailai aAu mot doan mach
I
3
niy trong thei gian t c6 th6 tirih bEng c6ng thrlc nio ?
doan m4ch d6 . Nhiet fugng tbarao doan m4ch

[,*##1,

l;

ciu t4: Bisuthirc rrao i#eg.y
rtign tnr&ng , u

A/

Khi n6i

al ri

fe

tich E l& ouorng dQ
vci q Ia
'
bi6u di6n mot dei luqng cd tlsn vi ti vOn ?(
'ti$n
s{rq
dudrns
mst
q
)
t6n
eria
,a m,rn *me" uq*u di

li;a;;il;B-, i

qEd.

B/

qU

; ilr;.rb"e"

0

AeLa

Ed'

gdy rac6ch n6 mOJ khoang r s€:

Bt ri lQ nghlch v6i r
D/ C6 phucrng n6i q vi di6m
'-- ghi trcn c6!g to diQn
ndng
DiQn
.
thane
mOt
or,g
t
ainh
gia
cp d6m dien ntrng crra

Q

cau 16: c.ng t or]el iu i**
d"q" tirhtheo donvi i

}/

C/ qE'

do diQn t{ch
vC cudrng itQ diQn truong tai mQt di6m

voi d0 tL eie" tich
e>

*t'*

d6'

'"


;H

Dl Kwh ( 1;16-q{$gi} )
Kw/h (ki-16-o6t trcn gid)
c-a"liioiO, a'org diQn kh6ng d6i, sau 2 phrit c6 mQt dign luqng 24 C c}rwicn qua ti6t di-€n thang . Cudmg ttQ
ddng tliQn tt6ld:

47

B/ o6t(w)

Jur/gi6y(J/s)

Bl

Nr2A

c/

cl 0,2A

*A

D/48A

qua ngu6n thi luc la
1g: MQt ngu6n diQn c6 su6t diQn dQng 200mV. D0 chuy6n qua mQt dien luqn$toc
phei sinh mQt cdng li:
Dl 2000J
CI zAJ
BI O,O5J

Ciu

N 2J

CAu 19: cho m4ch diQn kin nhu hinh vC : hai pin gi6ng nhau, m6i
pin c6 suSt AOn dOng vi ttiQn trd trong ld8= 1,5 V ; r I '[I ' Hai
tOng ( cho rlng <1i9n h& ct.rcfucttdn kh6ng d6i theo nhiet d0 )'
C6c ddn c6 sr{ng binh thuong kh6ng
N cithai <16u sang binh thudrng vi hiQu tlien th6 cria ddnbang vT tong su6t diQn d$ng
gl hui ddu sren! yiiu hon binh thucrng vi higu diQn th6 d hai Cl "achhai ddu *tog ir*, mtc binh thudm; vi hiQu diQn th6 6 hai dAu ddn lcm hcrn hiQudi€n the ttinh mrlc cira ddn'
Dl chhai ddn d6u kh6ng hopt dQng du-o. c vi *8i oen dOu c6 hiQu diQn trrti ton hon su6t diQn dQng ctra m6i nguon
gio vi cudrng dQ

Cao ZO, *Ot b6p rtiQn c6 glri (220V - 1000 W) . Tinh nhiQt luqng md b6p tbaratrong mQt

:

\r

"

?

ddng diQn qua bCp khi bep ho4t dQng binh thudng .
B/Q-36kJ;I:4,55A
A/ Q - 3,6 .106 J ; I 14,00 A

-

i

D/Q-36kJ;I:14,00A

C/Q -3,6.106 J;I:4,55A

Cflu 2L: cho do?n m?ch nhu hinh v€ :
Rr : 40 f} I Rz : 20 f} ; R3 - 60 f) ; ddng diOn I - 2 A,
Tinh c6ng su6t ti6u thU cira toirn m?ch dien ndy .
cl 30w
B/ 60W
Nr20w

Dl

Rz

Rr

240W

R3

d6 hieu
cau2z:M0t ngu6n diqn co diQn tro rong 0,1 (o) li:
AiO" tfragitutrui cgc ctra ngu6n diQn li 12 (V). SuAt dien dQng cira ngu6n ttiQn

N 8:

Cl 8:14,50(V).

L2,0A (V).

Dl

8:11,75 (V).

Cau23:Haidipntichdi6mql:4.10'8C,qr:4.10-8Cd4t&AvdBc6chnhau6cm.Cudmgdi6m O li trung di6m cria AB c6 gi6 hi:
Bl 4.10 5V/m

A.0

Cl

8.10

sV/m

ci[.24zM0t elechon ( do l6n rtiQn tich vn khoi lugmg

cira electron

3Vlm

Dl

24.10

li

1,6.10-

le

C ve 9,1.10

-rt kg)

dugc

thi

lo4i ph6rrg, tich dign trai d6u' coo?'g
kh6ng v6n t5c d6u & s6t ban 6m , trong diQn trucrng ddu gitia hai ban kim
le I cm.Tinh v6n t6c ctra electron khi n6
dO diqn fficmg giria hai bi4 le 1000V/m. Khoang c6ch giita hai ban

Bl x!,9.

Alx l,g.l0 6 m/s

10

Tmls

Cflu 25; Trong m9t mach kin mi nA eAu ngutin

N

;dFrtr

vi

UN:

Cl= 1,6.10

h

-'8

m/s

10o, dien trd trong

Dl=

vdff=LzY

Bl

UN

6m/s

li 1C) c6 ddng di-6n h 2A. HiQu diQn the

su6t diQn ttQng cira nguiln [d:

10V

1,6.10

- 20V vdff=22Y


;
4t{rr'Q

Dl

Cl UN -l0V vdff=zY
Ciu

-2,5V vd8=0,5V

UN

26: MOt bO ngu6n diQn c6 10 ngudn gi6:rg nhau mic song song, m6i ngu6n

diQr tre hong ld

r:

1O. HEy

tinh sudtdiQn

N E:6Vvir:10-r o.

Ciu2hMOt

bO ngudn diQn

Bt E =60Y

,

Clg-Svvir:10f}

cta b0 ngudn

dQng vd ttiQn tr& trong

Dl

vir:10-l

c6

su6t eien e0ne

Cl 8:6Vvdr:10 O

= 6Y vit

o

8':60vvir=10f}

aien':'

;:,';,'^: : ;j:su,'l

I

g

c6 l0 ngu6n gi5ng nhau m6c n6i tiiip, m5i ngu6n c6 suAt diQn tl0ng

u"' *u;"

+-ar*

: :,;:::il

Dl E =60Vvdr:10

%1*14\

r

I :6Y vit

( 4 u %3( 0\

Lx

's

O

Cflu 28: chgn mQt d.iP 6n sai :

A/

do cudmg dQ ddng itiQn bAng ampe

B/

dC do cudrng d0

k6

e

ddng diQn phni mic o6i tiiSp ampe

kiS

voi mach

*

C/ ddng diQn qua anrpe ki5 di vao chdt duong , di ra ctlSt am cfu ampe k6

D/ ddng


k6 di vao ch5t 6m, di ra ch6t duong cria ampe kti

Cdu2gtM6tdientichq :2Cch4yttrmQt ttiOmMc6 diQnmeV*=

10

V ttiintli6mN c6 diQnth6

VN

:4Y.

COng ctra lUc diQn ld bao nhi6u ?

B.A-8J.

A.A:!2J.
_ciu 30: rnQt b6ng

A/1,5A


ghi 6 v

C. A

:20

J.

D.

A:

10 J.

- 6 w m6c vdo hiQu di€n thiS 7,5 v thi cudng dQ ddng diQn qua b6ng ddn niy ld

B/0,8A

c/lA

Dl 1,25A

:


l[
Cflu

I

DE KIEMTRAHQC TiZ
t1 CO gAN ( thdi gian z 45 Phrrit )

: (1,5d)

gian ndo tl6, ngudi tu pn$i s& dr'rng dgng cu gi
b/E6 phat hign su tgn t+r ctia tir trudng trong mQt kh6ng
vi ph6t hiQn nhu thO nio ?
c/ Dinh nghia tludng srlc
i

Cdl}: (1,5t1)

?

tt.

a/ Dinh nghla su6t triQn.dgng,cnm rrng

vi

dong cim ring trong
diQn dA
^:-L -su6t niAn
ra .,,Ar
cho bii5t nguy€n nhdn sinh

hai dAu n6i voi mEt
gdm 1000 v.ng, c6 diQn tro 100Q, bdn kinh m6i vdngl0cm,
tt truong bi6n thion c6 ry|S g6c v6'i mpt
Ampe k6 tpo thanh rhQt mgch kin. Ngudi tat?o ramqt
ihJisi* 0,05s.'iim cuung rlQ ddng diQn qua Ampe k s6ng (d4ng
ra B
cria einh luflt khric x4 6nh
"orelav
3 : (1.511) Einh nghia sU ttUc *a ant .ing. ViCt cOngithtc
Cdu
cdc dvi lugng trong c6ngthrlc' .
co nffii6t irla,iirvei aAt"nr vn nz) vi chti thich
ra iot tt"i'ii3 rf,i tiu s6ng truvdn thdng :
Ap dsng: cong thttc'di"t, i,iat n-t ry
taiolruong g6c vOi mpt ph6n c6ch gifra hai moi trudng trong suot
cia mQt qua-cAu trong
lb/ c6 hudng Oi quu
r-:r. ^..i*
gifla hai m6i trudirg trong su5t c6 cirng chi6t suft
ph6n

c6ch
Zt truy€nqua mq,t

"ffirrl?offddy

f

: i05i;;re

il#;

"6;id;;;toi

su6t a.

i#

-

Em hdy gi&i thich t4i sao ?
Vii5t c6ng thrlc vd chri thich tirng d*i lugng
C6u 4 : (1,5d) Nir Ia" y5u t5 cria lyc,Lorentz?
irls trong ttr trubng dou
Ap dung: cho mQt dtA;",#;
fa4 t5: 19'
E8
(hinh vc). X6o dinh dQ l6n vi
c6 B=0,2T chiu t6c dung .,nu lgc to+en-io ld 2mN
d6u c0a iliQn tich

d;iil;[,:";;il

*

Ceu 5 :

(ltt) Dinh nghia

hiQn tugng

tu c&m'

chidu dai 20 cm, g6m to t Ooo vong' diQn tfch m6i
to6n: Ong d6y diQn hinh trp d{t oon, liiig'khi,
vdng S: 1000 cm'.
" u) Tinh d0 tp cim L cria 6ng diy
c,r6r r.ri
dign done t'u c&m xu6t
Tinh su6t
0,1r s' Ti-h
trong- n
b) Ddng eliQn qua 6ng d6y d6 tdng d€u tir 0 d6n 5A
hiQn trong Ong ddY ?
C6u 6 : (1,5d)
ul n6u tOng dgng cria kfnh hi6n vi
cm' Hai kinh c6ch
c6 tiou
b/Vfi kinh cria *Oitfrt f,f,5n vi c6 tieu cU f1 = 4 mm; thi kinh
:U
c6oh mit 25 cm' sO

quan s6t c6 di€rn cgc vi6n 0 vo cpc vd di6m cyc c4n
nhau o1o2 = 20cm.
nhi6u ?
gi6c-cua kfnh hi6n vi khi ngim chirng o vO cycld bao

Bii

?

.

h:4

*it"*ot

bqi

v6i tryc chinh cria mQt thdu kinh h.i tu c6 tlQ ts 2 di-.p'
w ,ffi;t'd;f)r.o*.s69
kinh.

Tinhli€u cg cria th6u
vi tri cria inh vd
dinh
li"l.th?t
U Vat s6ng AB "a.n it Au f.inh 100cm. X6c
5 lAn vflt
l6n
bdng
,j vii,irE es pr,ai iittaiaauJAtrru elusc rnh &o

a)

s5 ph6ng d4i 6nh '