New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Text Based Exercises>Q 30

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IMPORTANT

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The force between two charges placed in vacuum is $F$ . What happens to the force if the two charges are dipped in kerosene oil of dielectric constant, $k = 2$ ?

Important Questions on Electric Charges and Field

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New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Text Based Exercises>Q 31

State the superposition principle for electrostatic force on a charge due to a number of charges.

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New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Text Based Exercises>Q 32

A force

F

is acting between two point charges

q_{1}

and

q_{2}

. If a third charge

q_{3}

is placed quite close to

q_{2}

, what happens to the force between

q_{1}

and

q_{2}

?

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New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Text Based Exercises>Q 33

How many electrons are present in

1

coulomb of charge?

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New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Text Based Exercises>Q 34

Define volume charge density at a point. Write its SI unit.

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New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Text Based Exercises>Q 35

Define surface charge density at a point. Write its SI unit.

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New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Text Based Exercises>Q 36

Define line charge density at a point. Write its SI unit.

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New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Text Based Exercises>Q 37

Define electric field at a point.

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New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Text Based Exercises>Q 38

Is electric field intensity a scalar or vector quantity? Give its SI unit.