2nd Year Physics Chapter 12 Online MCQ Test for 12th Class Physics Chapter 12 (Electrostatics)

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Chapter 12 Test

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MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 12 Online MCQ's Test"

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Physics ICS Part 2 Chapter 12 Online MCQ's Test

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Question # 1

The net charge on a capacitor magnitude of charge of charge

Question # 2

When some di electric is inserted between the plates of a capacitor, then capacitance.

Question # 3

The force of Neutron due to field of 102 N/C is.

Question # 4

Force per unit charge is called:

Question # 5

The fact that electric field exist in space around an electrical charge is

Question # 6

Two opposite point charge of same magnitude separated by distance 2d, electric potential mid way between them is.

Question # 7

A capacitor is charged with a battery and then it is disconnected. A slab of dielectric is now inserted between the plates, Then

Question # 8

Net charge enclosed by Gaussian surface is:

Question # 9

An ECG records the _____ between points on human skin generated by electric process i the heart.

Question # 10

The number of electrons in one coulomb charge is equal to

Question # 11

A changing electric flux creates.

Question # 12

The amount of energy equal to 1.6 x 10-18 J is called.

Question # 13

A charge Q is divided into tweo parts q and Q-q and seperated by a distance R. The force of equilibrium between them will be maximum when:

Question # 14

Electric potential at a distance ''r'' from ''q'' is:

Question # 15

The electrostatic force between two charges is 42 N, If we place a dielectric of Ey=2.1 between the charges then the force become equal to.

Question # 16

if time constant in RC series circuit is small, then capacitor is charged or discharged.

Question # 17

If the medium between the charges is not free space then electrostatic force will.be

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Presence of dielectric always.
A. Increase the electrostatic force
B. Reduces the electrostatic force
C. Do not effect electrostatic force
D. Doubles the electrostatic force
2 the force between two charge is 28 N. If paraffin wax of relative permittivity 2.8 is introduced between the charges as medium, then the force reduces to.
A. 25 N
B. 20 N
C. 10 N
D. 15 N
3 Which one of the following is correct
A.
D. All of above
4 Special organs called ampullae of lorenzenite are present in.
A. Bats
B. Cats
C. Dogs
D. Sharks
5 The absolute electric potential at a point distance 20 cm from a charge of 2 uC is.
A. 9 x 102 V
B. 9 x 103 V
C. 9 x 104 V
D. 9 x 10 5 V
6 Intensity of field inside a hollow charged sphere will be.
A. Negative
B. Unaffected
C. Zero
D. Maximum
7 When some di electric is inserted between the plates of a capacitor, then capacitance.
A. Decreases
B. Increases
C. Becomes zero
D. Becomes infinity
8 Electric intensity due to an infinite sheet of charge is:
A. ∂/2ε∘
B. ∂/rε∘
C. ∂/r2ε∘
D. none of these
9 The product of resistance and capacitanc eis.
A. Velocity
B. Force
C. Acceleration
D. Time
10 If a charge body moved against the electric field it will again
A. Potential energy
B. K.E
C. Mechanical Energy
D. Electric potential energy

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