Name two basic properties of electric charge.

There are very two basic properties of electric charge. They are: 1. Conservative nature of charge Electric charge of a particle is conservative in nature. It means that the charge can neither be created nor be destroyed 2. Quantization of charge The charge of a system is a fixed quantity. Technically, the charge is a quantized quantity. The net charge of a system can be expressed as the integral multiples of the basic unit of charge

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Bureau's Higher Secondary Physics Class 12>Chapter 1 - Electrostatics>MODEL QUESTIONS>Q 4

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12th Odisha Board

IMPORTANT

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A charge $q_{1}$ exerts some force ${\vec{F}}_{1}$ on a second charge $q_{2}$ . If a third charge $q_{3}$ is brought near, the force of $q_{1} on q_{2}$ charges.

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Important Questions on Electrostatics

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Bureau's Higher Secondary Physics Class 12>Chapter 1 - Electrostatics>MODEL QUESTIONS>Q 5

A solid conducting sphere hold more charge than a hollow sphere of same radius.

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Bureau's Higher Secondary Physics Class 12>Chapter 1 - Electrostatics>MODEL QUESTIONS>Q 6

When the distance between two charged particles is halved, the force between them becomes four times.

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Bureau's Higher Secondary Physics Class 12>Chapter 1 - Electrostatics>MODEL QUESTIONS>Q 7

Force between two charges separated by a distance

r

varies as

r^{2}

.

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Bureau's Higher Secondary Physics Class 12>Chapter 1 - Electrostatics>MODEL QUESTIONS>Q 8

Force between two charges is governed by Ampere's law.

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Bureau's Higher Secondary Physics Class 12>Chapter 1 - Electrostatics>MODEL QUESTIONS>Q 9

Coulomb is the unit of charge in S.I. system.

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12th Odisha Board

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Bureau's Higher Secondary Physics Class 12>Chapter 1 - Electrostatics>MODEL QUESTIONS>Q 10

The ratio of gravitational force and electrostatic force between two electrons separated by a distance of

10 c m

is of the order of

10^{42}

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Bureau's Higher Secondary Physics Class 12>Chapter 1 - Electrostatics>MODEL QUESTIONS>Q 1

A soap bubble is given a negative charge. Its radius will _____.

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Bureau's Higher Secondary Physics Class 12>Chapter 1 - Electrostatics>MODEL QUESTIONS>Q 2

The positive charge which must be given to the earth and moon so that gravitational attractive force between them is nullified by electric repulsive force is