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

Thermocouple is an arrangement of two different metals

Question # 2

Three resistors of resistance 2,3 and 6 ohms are connected in parallel, their equivalent resistance is

Question # 3

The speed of randomly moving electrons depends upon

Question # 4

In a voltmeter the conduction takes place due to

Question # 5

When an electron is accelerated through a P.D. of an one volt, it will acquire energy equal to

Question # 6

A metal plate of thickness half the separation between the capacitor plates of capacitance C is inserted. The new capacitance is

Question # 7

When three identical bulbs of 60 watt, 200 volt rating are connected in series to a 200 volt supply, the power drawn by them will be

Question # 8

Coulomb force, when any material medium is placed between two charges

Question # 9

Electric potential of earth is taken to be zero because the earth is good

Question # 10

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

Question # 11

The nature of capacity of electrostatic capacitor depends on

Question # 12

If 2.2 kilowatt power is transmitted through a 10 ohm line at 22000 volt, the power loss in the form of heat will be

Question # 13

The conductivity of a superconductor is

Question # 14

Two conductors having the same type of charges are connected by a conducting wire. There would not be any amount of charges on them if

Question # 15

Ohm's law states that

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ECAT Physics Chapter 12 Important MCQ's

Sr.# Question Answer
1 In bringing an electron towards another electron, electrostatic potential energy of system
A. Decreases
B. Increases
C. Remains uncharged
D. Becomes zero
2 The electric field will be uniform
A. Near a positive point charge
B. Near a negative point charge
C. Between two oppositely charged parallel metal plates
D. None of above
3 Coulomb force, when any material medium is placed between two charges
A. Increases
B. Decreases
C. Remain unchanged
D. None of these
4 Electron volt is the unit of
A. Potential difference
B. Energy
C. Resistance
D. Capacitance
5 The unit of resistance is
A. volt
B. ampere
C. ohm
D. coat
6 Which of the following does not obey ohm's law?
A. Copper
B. Al
C. Diode
D. None
7 The electric potential at the surface of an atomic nucleus (Z = 50) of radius 9.0 x 10-15 is
A. 9 x 105V
B. 9 V
C. 8 x 106V
D. 80 V
8 The unit of intensity of electric field is
A. newton/coluomb
B. jule/coluomb
C. volt x metre
D. newton/metre
9 The charge carriers in electrolyte are positive and negative
A. protons
B. electrons
C. ions
D. none of these
10 The ratio of the gravitational force Fgto the electrostatic force Febetween two electrons at the same distance apart is approximately
A. 9.8
B. 24 x 1019
C. 24 x 1042
D. 24 x 10-44

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