ECAT Physics Chapter 12 Electrostatics Online Test

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  • Chapter NameCh 12 - Electrostatics
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ECAT Physics Chapter 12 Electrostatics Online Test

  • Total Questions15

  • Time Allowed20

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ECAT Physics Chapter 12 Electrostatics Online Test

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Question # 1

Two point charges A and B separated by a distance R attract each other with a force of 12 x 10-3N. The force between A and B when the charges on them are doubled and distance is halved

Question # 2

In a Milikian's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10-19C. The number of excess electrons on the drop is

Question # 3

In a voltmeter the conduction takes place due to

Question # 4

The nature of capacity of electrostatic capacitor depends on

Question # 5

In case of a parallel plate capacitor if the plate separation is doubled and plate area is halved, the capacitance becomes

Question # 6

The conventional current in a circuit is defined as " current which passes from a point at higher potential to a point at lower potential as if it represent a movement of

Question # 7

Taking the earth to be a spherical conductor of diameter 12.8 x 103km. Its capacity will be

Question # 8

One coulomb per second is equal to

Question # 9

Which of the following represents an electric current?

Question # 10

The SI unit of current is

Question # 11

The minimum resistance that can be obtained by connecting 5 resistance of 1/4Ωeach is

Question # 12

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

Question # 13

The relation between charge 'Q' and current 'I' is given by

Question # 14

A capacitor of capacity 1μF is charged to 1 KV. The energy stored in J

Question # 15

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

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