ĐỀ KIỂM TRA 1 TIẾT HKI NĂM HỌC 2014-2015_(11CB)

[r]

1

A

B C

p,

2

."K

E

C

rg

3

>(.

B C

p

4

A

B

g-

D

5

A.

*

C

X

6

,&

B @

D

7

A

B

K

&

8

A

B

C;

x

9

h

B

I

D

10

,A

B

>C*

D

Oiimem tra

45

phrit-m6n

v$t

li-

11

CB (2014-2015)

Cac em eann a6u

x

vdo

cht

trong t16p rin dung nh6t ctra bang

tri

ldi

sau

/f

D6 1:

Cau

l:

Hdy chgn c6u dring DO

lon

crla

llrc

<IiQn

tuong

tdc giirahai iliQ4

tich

di6m kh6ng

khi

:

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

e,, Vat

e

ti6p xtic

voi

vft

B

it6 nhi6m diQn , €lectron t.u

truy&r

qua tti6m

titip

xirc

lim

cho

A

trd

thanh nhi6m dien D6

li

nhi6m diQn 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 <tiqn huong img

Cflu

3: Chgn c6u p!r6t bi6u sai ve

dulng

sirc diQntrudmg:

N

C,6c ducmg srlc

tinh

<tiQn ld c6c itudrng cong k*r6ng kh6p

kfn'

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

Cle1cfluimg

srtc diQn xu6t phat

tir

dien

tich

ducrng vd

tin

cirng c6c diQn

tich

6m

Dl

Cbc<tudng sric

tinh

ttiQn ld,cdc duong cong kh6p

kin

-o

-C0u

4: Cdu

nio

sai vA diQn

trudng

A/

Trong hQ SI <lon

vi

cucmg ttQ iliQn trudng

li

V/m

B/ Tinh

ch6t co ban cria diQn

trulng

li

tac dUng lUc ttign lOn diQn

tich

kh6c dat 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 chdn

kh6ng

,B=

k4

cau

5:D4i

lugng

nio

duoi

d6y

kh6ng lian

quan d6n cucrng d0 ttiQn

trulng

cria m6J diQn

tich

di6m Q tai

mot

11

A

B @,

s

1,2

&

B C

D

.r3

A

w, C

D

1,4

A

B

a

b

15

A

g

I

D

L6

A

B C

(

l7

.R

B @

D

18

K

B C D

L9

A

ts

fr

D

2A

A

x

@

D

sst

>(

B

C:

D

22

A

g_

C

D

23

X-r

B C

D

24

w

B C

)K.

25

A

ffi,

C D

26

>f

B C

@

27

A

B C

X

28

A

,4

Fl-, @

29

>"{

B C D

30

d

B

K

@

A/ Di0ntich

di6m Q.

C/ I(hoang c6ch r

tt

Q dCn

M'

B/

DiQn tich

tht

q,ilAt,l,

*.

D/

h6ng sO di$n

m$i

e cila

m$i

tnr$rng

FI -?a

"fl

'

-Ft

<

Cf,u

6: Chqn

ctu thing

!

-Th6 mqt

electon

UrJri'g'uao tOC Uan dAu

rong

mOi drgn truong b6t

ki''

Electron d6 sE

#:il}ll$3ffffiffiT}l*"ffi'ilf,Huu**::eer,ffi

tl,ap

d

Cl

"n*e"

AO.rg rt,

Ai6*.0

A6n

trr6 th6p 1€n di6m c6 diQnth6 cao

,l

A**

ycnviHrOng c6.vfn

t6c barr ddu

gA"

*

"a;r,ie,

aiei

*116

u*,

=

3

v

Hoi

dang

thfc

naolyii

dav

cnf

,$'i*:yu

'

"-

*

'.-A/Vr,a=

3

V

B/VN:-

3

V

C/VN-Vr"'I=

3

V

D/VN-Vrvr:

-

V

cfiu

g:Gpi

Q,

c

vi

U

ld diQn

tich

, diQn dung

vi

hiQu iti€.n trr6 giua hai beh ctra mQt

tu dign Ph6t bieu nao

duoi

d6ylnilring?

t

. A/Ctil$thu0nvoiQ

B/Ctil9nghlchvoiU

I

c/

c

phu thuQc

vio

Q

u

D/

C ktrong php thuQc

vio

Q

vi

u

Cf,u 9: Hai

di.n

tichlr6*;

= 3.10{C

,a

4r': -r-I;;;'d6icach

nhau cm mOt diQn

mdi

d6ng ch6t c6

l:2.Lryctuong

trlc

gita

hai ttiQn

tich

li

:

A/45N

B/6oN

c/goN'

D/3oN

Cfiu

10: Dar luqng

nio

dflc

trtmg

cho kh6 n6rrg

tich

diQn cria mOt.T

dlr,,

^

A/

DiQn

tich

cria

rtiQn

B/

Hi-cu diQn thc giita hai bdn cua tu itien'

c/

Di-6n dung cria 4r

itiQn

D/

cuirng

itO <lipn truorng trr diQn'

Ciu

11: Chqn cdu ph6t bi€u sai vO tU diQn"

e,,6i-f*

dung cua tu Aieo

H

dai lugng

d{t

mmg

cho

khi

ntuig

tich

diQn cria

diQn'

'

B/

G1fr4 hai bqg=1Ql

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

c6u

12:

Su6t diQn dQng

cta

ngu6n diQn

li

dai luqng duo c

bing

A/thunng

s6

gita

c6ng ctra ryc 14

ai"n

"t"ra"

dienictr

q duong

tong

ngu6n

tir

cuc 6m diSn cuc duong

v6i

d0

lcm

cua

diQn

tich

d6

B/

thuong sb

gita iu"ta

dich

chry€n

dien

tich

q duong ffong ngudn

tt

cpc 6m d6n cyc ducrng

voi

d0

l6n

cua

[,*##1,

,ruu

c6ng cua tpc 1.4 dlch chuy6n diQn

tich

q ducrng

tong

ngutin

tir

cuc duong d6n

cvc 0m

v6i

t10

lon

cua

diQntich

d6

:

D/

thuong s6

gita

c6ng vd r1rc 14 dich ch-uy6n diQn

tich

q ducrng ngu6n

tir

cgc 6m d6n cgc ducrng

c6u

13:sqi

U

la

nie"iie"

*rrA

gitailai

aAu mot doan mach

cidren

o"

l;

I

3

*t'*

<10 ddne diQn ch4v qua

doan m4ch d6

Nhiet

fugng tbarao

doan m4ch

niy

trong

thei

gian

t

c6 th6

tirih

bEng c6ng

thrlc

nio

?

ciu

t4: Bisuthirc

rrao

i#eg.y

bi6u di6n mot dei luqng cd

tlsn

vi

ti

vOn ?(

vci

q Ia 'ti$n

tich

' E l& ouorng dQ rtign tnr&ng ,

u

li;a;;il;B-,

i

,a m,rn

*me"

uq*u di

eria q

t6n

mst

dudrns s{rq

)

A/

qEd

B/

qU

C/

qE'

}/

Ed'

Khi

n6i vC cudrng itQ diQn truong tai mQt di6m diQn t{ch

AeLa

gdy rac6ch n6

mOJ khoang

r

s€:

al

ri

fe

voi

d0

tL

eie" tich

Q

Bt

ri

lQ nghlch

v6i

r

; ilr;.rb"e"

e

>

0

D/

C6 phucrng

n6i

q

vi

di6m

d6'

'

-cau

16:

c.ng

t

or]el iu

i**

cp d6m dien ntrng crra gia ainh

t

or,g mOt thane DiQn ndng ghi trcn

c6!g to

diQn

;H

47

Jur/gi6y(J/s)

B/

o6t(w)

c/

Kw/h

(ki-16-o6t trcn

gid)

Dl

Kwh

(

1;16-q{$gi}

)

c-a"liioiO,

a'org diQn kh6ng

d6i,

sau phrit c6 mQt dign luqng 24

C

c}rwicn qua

ti6t

di-€n thang Cudmg ttQ ddng tliQn

tt6ld:

Nr2A

Bl

*A

cl

0,2A

D/48A

Ciu

1g: MQt ngu6n diQn c6 su6t diQn dQng 200mV D0 chuy6n qua mQt dien

luqn$toc

qua ngu6n

thi luc

la phei sinh mQt cdng

li:

N 2J

BI

O,O5J

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 <ten gr6ng ctrng c6 s6 ghi trOn ddn

li

:

V

-

0,75

W

( cho

rlng

<1i9n

h&

ct.rcfucttdn kh6ng d6i theo nhiet d0

)'

C6c ddn c6 sr{ng binh thuong kh6ng

?

"

\r

A/

Q

-

3,6 106 J ;

I

-

14,00

A

C/Q

-3,6.106

J;I:4,55A

CI

zAJ

Dl

2000J

B/Q-36kJ;I:4,55A

i

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

Rr

N

cithai <16u sang binh thudrng

vi

hiQu tlien th6 cria

ddnbang

vT

tong su6t diQn d$ng

gl

"a hui ddu sren!

yiiu

hon

binh thucrng

vi

higu diQn th6 d hai <tAu <ldn nh6 hiQu <liQn th6 dinh mrlc cria ddn

Cl

chhai ddu

*tog

ir*,

mtc

binh thudm;

vi

hiQu diQn th6 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

Cao

ZO,

*Ot

b6p rtiQn c6 glri

(220V

-

1000

W)

Tinh nhiQt luqng md b6p

tbaratrong

mQt gio

vi

cudrng dQ ddng diQn qua bCp

khi

bep ho4t dQng binh thudng

Rz

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

Nr20w

B/

60W

cl 30w

Dl

240W

R3

cau2z:M0t

ngu6n diqn co diQn

tro

rong

0,1

(o)

<tugc

mic voi

<tiQn trO 4,8

(o)

thanh mpch

kin Khi

d6 hieu AiO"

tfragitutrui

cgc ctra ngu6n diQn

li

12

(V)

SuAt dien dQng cira ngu6n ttiQn

li:

N 8:

L2,0A (V)

Cl 8:14,50(V).

Dl

8:11,75

(V).

Cau23:Haidipntichdi6mql:4.10'8C,qr:4.10-8Cd4t&AvdBc6chnhau6cm.Cudmg<l0ttiOntru&ng&

di6m O

li

trung di6m cria

AB

c6 gi6

hi:

A.0

Bl

4.10

5V/m

Cl

8.10

sV/m

Dl

24.10

3Vlm

ci[.24zM0t

elechon (

l6n

rtiQn

tich

vn

khoi

lugmg cira electron

li

1,6.10- le C ve 9,1.10

-rt kg)

dugc

thi

kh6ng v6n t5c d6u & s6t ban 6m , diQn trucrng ddu gitia hai ban

kim

lo4i ph6rrg,

tich

dign

trai

d6u' coo?'g dO diqn

fficmg

giria hai

bi4 le

1000V/m Khoang c6ch giita hai ban

le

I

cm.Tinh v6n t6c ctra electron

khi

n6

<t6n ttflp vdo ban ducrng

Alx

l,g.l0

6 m/s

Bl x!,9

10 Tmls

Cl=

1,6.10 -'8 m/s

Dl=

1,6.10

6m/s

Cflu

25; Trong m9t mach

kin

mi

<tign tr& ngodi

h

10o,

dien trd

li

1C) c6 ddng di-6n

h

2A

HiQu diQn the

nA

eAu ngutin

vi

su6t diQn ttQng cira nguiln [d:

N

UN:

10V

vdff=LzY

;dFrtr

;

4t{rr'Q +-ar*

Cl

UN

-l0V

vdff=zY

Dl

UN

-2,5V

vd8=0,5V

Ciu

26: MOt bO ngu6n diQn

c6

10 ngudn gi6:rg

mic

song song,

m6i

ngu6n

c6

su6t eien e0ne

I

=

6Y

vit

diQr tre

hong

ld

r:

1O HEy

tinh

sudtdiQn dQng vd ttiQn tr&

cta

b0

ngudn

g

N E:6Vvir:10-r

o

Bt

E

=60Y

vir:10-l

o

Clg-Svvir:10f} ,

Dl

8':60vvir=10f}

Ciu2hMOt

bO ngudn diQn

c6

l0

ngu6n gi5ng m6c n6i

tiiip,

m5i ngu6n

c6

suAt diQn tl0ng

I

:6Y

vit

u"'

*u;"

;:,';,'

^:

:

;j:su,'l

aien':'

:

:,;:::il

r

%1*14\

(

4

u

%3(

0\

's

Lx

Cl

8:6Vvdr:10

O

Dl

E

=60Vvdr:10

O

Cflu

28: chgn mQt d.iP 6n sai :

A/

do cudmg dQ ddng itiQn bAng ampe

k6

e

B/

dC cudrng d0 ddng diQn phni

mic

o6i tiiSp ampe kiS

voi

mach

*

rpe ki5

di

vao chdt duong , di ctlSt am

cfu

ampe k6

C/ ddng diQn qua an

D/

ddng <tiQn qua ampe k6 di vao ch5t

6m,

di ch6t duong cria ampe

kti

Cdu2gtM6tdientichq

:2Cch4yttrmQt

ttiOmMc6

diQnmeV*=

10

V ttiintli6mN

c6 diQnth6 VN

:4Y.

COng ctra lUc diQn ld bao nhi6u ?

A.A:!2J

B.A-8J.

C

A

:20

J

D

A:

10 J

_ciu

30: rnQt b6ng <tdn

ghi

6

v

-

6

w

m6c vdo hiQu di€n thiS 7,5

v

thi

cudng dQ ddng diQn qua b6ng ddn

niy

ld

: