MDCAT Physics Chapter 6 Electrostatics Online Test

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  • Chapter NameElectrostatics
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MDCAT Physics Chapter 6 Electrostatics Online Test

  • Total Questions20

  • Time Allowed20

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MDCAT Physics Chapter 6 Electrostatics Online Test

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Question # 1

Two point charges +2 coulombs and +6 coulombs repel each other with a force of 12 N if a charge -4 coulomb is given to each of these charges the force will be:

Question # 2

The relative permittivity of air is

Question # 3

The distance between the plates of a charged parallel plate capacitor is 4mm and potential difference is 6 volts. If the distance between the plates is increased to 12mm, then :

Question # 4

The law, governing the force between electric charges is known as:

Question # 5

The potential difference between head and tail of an "electric eel" can be upto.

Question # 6

Charge on a capacitor is 50C. if voltage applied across its plates is 10V then its capacitance:

Question # 7

A charged conductor has charged on its:

Question # 8

Two point charges repel each other with a force of 4× 𝟏𝟎−𝟓 newton at a distanceof meter. Two charges are

Question # 9

The relative permittivity of air is

Question # 10

Area under Q-V graph for a capacitor represents

Question # 11

A parallel plate air capacitor is charged and then isolated. When a dielectric material is inserted between the plates of the capacitor , then which of the following does not change:

Question # 12

If the distance between the plates of a parallel plates capacitor is increased, its potential will:

Question # 13

A body gets positive charge. It means that:

Question # 14

An electron is moving towards high potential. Its electrical P.E:

Question # 15

An electric field can deflect:

Question # 16

If the magnitude of charge on each of two objects is doubled and the distance between them is also doubled then force between them:

Question # 17

When a dielectric is inserted between the plates of a capacitor, Which one is true

Question # 18

Two charges of equal magnitudes and at a distance r exert a force F on each other. If the charges are halved and distance between them is doubled, then the new force acting on each charge is:

Question # 19

A charge of 2C experiences a force 2000N in a uniform electric field. In this fieldthe potential difference between two points separated by a distance 1cm is

Question # 20

The coulomb’s law is valid for the charges which are:

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