The flux linked with a Gaussian surface enclosing a charge q is always equal to q/ε0, regardless of the size or shape of the surface. Therefore, the correct answer is D - the flux linked with the surface is constant.

3. 10 ELEECTROSTATICS
off
I Electriccharge
property associatedwithmatter
Responsibleforelectric and magneticeffect
relycharge and relycharge
deficiencyote Feesof e
9
Iffegenuataotif ge
i.oxio19
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allestpossible
valueofcharge
i
Accordingrecentstudies
Ap te 25 25 5 an O
consists
ofquarks
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W
55 5 5
upquark
lust
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Alwaysfound in pain
Qi ay chargecannotbe created nor bedestroyed but
chargeparticle canbecreated and destroyed
2 Coulomb'slaw
F
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4. Principleofsuperposition
91 93 IFnet
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Additionoftwovectors
0 180 R A B Min
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made
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it Al 151 nap
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R TABI
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Rag
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A B F A B F A B F
PED
Equilibriumofchargedparticles
unstable
egg stableegu
a
9 0 Y
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it fed
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equ
B Electricfield E E ere
plotedabove
F QE Ep Iq Es Eve
930 FILE and ploted below
directed
awayfor a o
9 0 FantillE directedtowardsfor aco r
Electric
fieldisrepresented
by Eflines Electriclines offorces
DirectionofEf tangentdrawn tofieldlines
Twofieldlines never intersect
fieldlinesnevertakessharpturns
field linesproduced
bystaticcharge will nevertorms
closeloop
No oflines a magnitudeofcharge
dis ve and da ve
ItYaiEEE.F
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5. Magnitude of Ef is inversely
Toportionaltospacing
Elatngblotines
E s
E Ez E
I E
Ez
nonuniform Ef
uniformEf
E Ez
Nullpointor pointofzeroforce
smallcharge Bigcharge
r
foggy
torlikecharges
0
rapping
forunlikecharges
CB co
A charged particleof charge a'and mais mi is
releasedfrom rest inuniform field of intensity É
F 9E 219mLt2
a AIM
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AKE
Effy
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work
done
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tore in taking
charge 9 from infinity to a pointstowelyostowely
a I of
9 Went U
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9 I da sear
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0
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natureofcharges
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6. ElectricPotential
v a
Wentland Vegas Ky
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chargeswithsign
Potentialdifference
s
why
f AV VfVi KY KY
Work
done in thischapter
Went W
ele work
done
byelectric
tone
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donebyexternalagent
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Relationbetween Ef and Potential
q
directionof Ef
U V2 7 V3
f direction Ef
V1 U2 C V3
E My E EntEytEe
En
If yand E constant
Ey dy s se and E const
Ez g x and y
const
du E dr Edraso oanglebtw E and dr
H const Ed di
A'surfacehaving samepotential at all points is known
as equipotential surfaces
Ef willalwaysbe perpendicularto equipotentialsurfaces
Electricpotentialalwaysdecreases
alongthedirection
ofelectricfield
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7. I
ÉÉmÉÉÉ
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15 9 za
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F
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easy
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are 19
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8. Dipolein nonuniform Ef
7
a
9
hi 1.9
E fi ta
Ez
AE E
Ez
E Ez E Ez
FIFA fret 0 Fi Fz
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translateoppositetoEf Dipole
translatealong Ef
but e may or
maynotbezero
F Edt IF o Fll E and
dig o F untill I
Electrify
E A EAGor
anglebw E and a
0 90 EIA 0 0
teavector noneofthelinescrossing an area
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awayfromsurface
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anycharge placed in uniform E
3 0 90
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O 180 0 90 OEO
EA p o D EA
incoming
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leaving
turenegynedsuty
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9. Gauss's law
of kingosed
Gaussian
surface
Éq
imaginary
Op
q
fo foE da
4
7
9 Ietoallthecharges doesnot
matterwheather
chargeis inside
or outside
I JOE IF
904ft
whyoutsidechargesdoes
notcontributeto d
009 d
9
are exactly same causing total
flux zero dueto outside charges
Sizeofgaussiansurfacechangeswithtime does it
attestgeuncrossing through Ed in anyway
11 biz of 9in
Iep
endson 9in and mediumonly
ApplicationofGauss'slaw byknowingcharge
distribution
E canbeobtained
O f Ed
AGE ME
byknowing E chargedestrib
coso O coso t i can beobtained
0 90 0 0 or 180
Ed dit Elldnt E anti Ildit
shapeofgaussiansurface mustcomplimentshape of
fieldpatternbygiven chargedistribution to satisfy
abovementioned conditioned
Gauss's law is valid forsymmetricchargedistribution
only
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10. 1
EFdueto Alien lengthof wire
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d
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Bt
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parallelyaway torte source
parallely towardsfor resource
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A
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P Ef
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11. I
EfandPotentialduetochargedRing
in
t
E fÉp2312
at a
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at D 2 0 E O
Kees E O
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at me V
Kf
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atheridesatthe
surface ofconductor just
R likeshell
R Thereis no Efinside
conductor
D
Iap Q 043Rd
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sturtace
chargedensity
rer
Eat
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12. EfandPotentialduetosolidsphere
OIdestributed all overvolume P
fans 9 85223
R uotumchargedensit
E A
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Kfr for
r
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13. A body is charged by rubbing its weight
Example
A.
B.
C.
D.
Increases
Decreases
May increase or decrease
Can’t say anything
lo a 02
body body
FIT
W d wt

14. A body is positively charged by rubbing its weight
Example
A.
B.
C.
D.
Increases
Decreases
May increase or decrease
Can’t say anything

15. A glass rod rubbed with fur is used to charge a gold leaf
electroscope and the leaves are observed to diverge. The
electroscope disc is then exposed to X-rays for a short
period. Then ,
Example
A. The divergence of leaves is not affected
B. The leaves diverge further
C. The leaves will collapse
D. The leaves will melt

16. Consider a neutral conducting sphere. A positive point
charge is placed outside it. The net charge on the sphere is
then
Example
A. Negative and uniformly distributed over the sphere
B. Negative and appears only on the point closest to
the outside placed charge
C. Negative and non-uniformly distributed over the
entire volume of sphere
D. Zero
I
X
X
t
t
t
I
9

17. Consider a neutral conducting sphere. A positive point
charge is placed outside it. The net charge on the sphere is
then
Example
A. Negative and uniformly distributed over the sphere
B. Negative and appears only on the point closest to
the outside placed charge
C. Negative and non-uniformly distributed over the
entire volume of sphere
D. Zero
I
all E
et t
detected
II

18. When an object A is charged by induction process, another
charged object B is required to induce charge. If qB
is the
charge on B in such an experiment, then
Example
A. qA
+ qB
= 0 in every such experiment
B. qA
and qB
are dissimilar nature in all such experiment
C. qA
= - qB
( 1 - 1/KA
), where KA
= dielectric constant of object A
D. Charge can be induced on A only when A contains few free
electrons
I
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19. MCQ type Question [ +4 , -1]
Question
Et I

20. Example Two charges equal in magnitude but opposite in polarity are
placed at certain distance apart and force acting between
them is F. If 25% charge of one is transferred to another,
then the force between the charges becomes.
A. B. C. D.
I
F age
I
f'd E62
34

21. Example
A
ai ai Ed
KCIE
Azad
E
0
E Iz E
I

22. MCQ type Question [ +4 , -1]
Question
I
K9
49
Iggy's
TBA KEEF
491 349

23. Example
5
a
E x
4

24. Example
y r
rm
rtisnyvaysmayI_4o
EEIft.o
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small st 22 0
fat
29 x

25. Example
I Baid 1alento BE
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I
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KI yo
toBC
Lp
10 tf

26. MCQ type Question [ +4 , -1]
Question
or a clean
IT a
al ThaToso
9 joint
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Ying tano
wagg
tano ME 111mg v 22312 2
ad as timepasses
O is icy small sed
g
g ayyy
one
rise
a e
GE v a
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27. MCQ type Question [ +4 , -1]
Question
tano
H Ying
42 1.8 20

28. MCQ type Question [ +4 , -1]
Question
O O
a
t
d
xf
E
se
y
se
dtd

29. MCQ type Question [ +4 , -1]
Question
C
I
Leasure
dfrom valueshare

30. MCQ type Question [ +4 , -1]
Question
EEE 12 4
EE
ret r
E IF
9 r
92 It r
F
Iz
9
E
9
HE 92
MEEEEE

31. If the source charge is becomes twice of original value
and distance between source charge and test charge
becomes half of original value, then what is new EF.
(Consider initial EF = E)
Example
A. B.
C. D. 6 E
4 E
E/2
8 E
I I
21M If
I ay AE
O T 20 ZE

32. Electric field due a charge q on charge q/2 is E. Than
what is the electric field by q/2 on q (Separation
between the charges are same)
Example
A. B.
C. D. none
4 E
E/2
2 E
O
O
KYE E
LE KYE E Ez

33. MCQ type Question [ +4 , -1]
Question
É É
E
AKE E
at ER
EFI

34. MCQ type Question [ +4 , -1]
Question
PYO
chargedring
E o
o

35. MCQ type Question [ +4 , -1]
Question
a
I that t t t t
die da d
die
potent
charge
Jap 1421 k
t d da kaEte
Ep KdIta fi If
LIA Lta an
Ep If

36. Example A
se
5 14 127
I a co no
F 9E 9
Kf
se
F2

37. Example
If o
Ky
TIF
É

39. Example

40. Example

41. Example

42. Example

43. Example

44. Example

45. Example

46. Example

47. Example

48. Example

49. Example

50. Example

51. Example

52. MCQ type Question [ +4 , -1]
Question

53. Example

54. Example

55. Example
A charge q is enclosed by an imaginary Gaussian surface
A. flux linked with surface is increasing at a rate = K
B. flux linked with surface is decreasing at a rate = K
C. flux linked with surface is decreasing at a rate
D. flux linked with surface is
If radius of surface is increasing at a rate = K, then

56. MCQ type Question [ +4 , -1]
Question

57. Example

58. Example

59. MCQ type Question [ +4 , -1]
Question

60. MCQ type Question [ +4 , -1]
Question

61. Example

62. Example

63. Example

64. Example

65. Unacademy Subscription
20230148
20249 18M46th

66. Q

67. MS LIVE

68. MS LEV

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