ECAT Pre Computer Science Chapter 12 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 12 Electrostatics

Try The MCQ's Test For ECAT Physics Chapter 12 Electrostatics

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ECAT Physics Chapter 12 Electrostatics

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Question # 1

The potential difference across each resistance in series combination is

Question # 2

The electric field intensity at a point due to a point charge

Question # 3

A conducting wire is drawn to double its length. Final resistivity of the material will be

Question # 4

A parallel plate capacitor is first charged and then a dielectric slab is introduced between the plates. The quantity that remains unchanged is

Question # 5

One electron volt is equal to

Question # 6

Which of the following represents an electric current?

Question # 7

Current provided by a battery is maximum when

Question # 8

The unit of resistance is

Question # 9

The resistance of a conductor does not depend on its

Question # 10

The minimum charge on any object can not be less than

Question # 11

Electron volt is the unit of.

Question # 12

If we increase the distance between two plates of the capacitor, the capacitance will

Question # 13

The statement "the electric force of repulsion or attraction between two point charges is directly proportional to the product of the charges and inversely proportional to square of the distance between them" refer to

Question # 14

If the length of the conductor is double and its cross sectional area is halved, its conductance will

Question # 15

The current through a metallic conductor is due to the motion of

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ECAT Physics Chapter 12 Important MCQ's

Sr.# Question Answer
1 Coulomb force, when any material medium is placed between two charges
A. Increases
B. Decreases
C. Remain unchanged
D. None of these
2 If the two charges in Coulomb's law have double distance between them, then electric force
A. Becomes two-fold
B. Becomes four-fold
C. Remains the same
D. None of these
3 Capacitance of two or more capacitors
A. Increases in series combination
B. Increases in parallel combination
C. Remains unchanged
D. None of the above
4 Resistance of a conductor is increased, the currant will
A. Decrease
B. Increase
C. Remain the same
D. None of these
5 The current through a metallic conductor is due to the motion of
A. protons
B. neutrons
C. electrons
D. free electrons
6 In bringing an electron towards another electron, electrostatic potential energy of system
A. Decreases
B. Increases
C. Remains uncharged
D. Becomes zero
7 A car battery has e.m.f 12 volt and internal resistance 5 x 10-2ohm. If it draws 60 ampere current, the terminal voltage of the battery will be
A. 5 volt
B. 3 volt
C. 15 volt
D. 9 volt
8 The relation between charge 'Q' and current 'I' is given by
A. Q = I/t
B. Q = It
C. Q = I2t
D. Q = I2/t
9 Electron volt is the unit of
A. Potential difference
B. Energy
C. Resistance
D. Capacitance
10 One coulomb of charge is created by
A. 10 electrons
B. 1.6 x 10-19electrons
C. 6.25 x 1018electrons
D. 6.25 x 1021electrons

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