ECAT Pre Computer Science Chapter 12 MCQ Test With Answer for Physics chapter 12 (Electrostatics)

ECAT Computer Science Physics Ch 12 Test
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MCQ's Test For ECAT Physics Chapter 12 Electrostatics Online Test

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  • Total Questions15

  • Time Allowed20

ECAT Physics Chapter 12 Electrostatics Online Test

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Question # 1

At ordinary temperature, an increase in temperature increases the conductivity of

Question # 2

Some charge is being given to a conductor. Then its potential

Question # 3

The potential difference across each resistance in series combination is

Question # 4

Three resistance 500,500 and 50 ohms are connected in series across 555 volts mains. The current flowing through them will be

Question # 5

The colour sequence in a carbon resistor in red, brown, orange and silver. The resistance of the resistor is

Question # 6

The relation V = IR represents

Question # 7

In a building, there are 15 bulbs of 40 watts, 5 bulbs of 100 watts, 5 fans of 80 watts and a heater of 1 kilowatt. The voltage of the electric main is 220 volts. The minimum efficiency of the main fuse of the building will be

Question # 8

The SI unit of conductivity is

Question # 9

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

Question # 10

A charge Q is divided into two parts q and Q - q and separated by a distance R. The force of repulsion between them will be maximum when

Question # 11

The energy required to charge a capacitor of 5μF by connecting D.C. source of 20 KV is

Question # 12

The electric flux from a closed surface

Question # 13

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Question # 14

The nature of capacity of electrostatic capacitor depends on

Question # 15

A wire is bent into a ring of radius R is given a charge q. The magnitude of the electrical field at the centre of the ring is

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ECAT Pre Computer Physics Chapter 12 Test

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