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CBSE Notes 2011-2012 » XII-Physics

# Electrostatics

## The distance of the field point, on the equatorial plane of a small electric dipole, is halved. By w...

The distance of the field point, on the equatorial
plane of a small electric dipole, is halved. By
what factor will the electric field, due to the
dipole, change ? [Delhi 2004C]

## Write the condition under which the potential difference between the terminals of a battery and its ...

Write the condition under which the potential
difference between the terminals of a battery
and its emf is equal.

## Two charges ql and qy separated by a small distance, satisfy the equation ql + q2 = 0. What does it ...

Two charges ql and qy separated by a small
distance, satisfy the equation ql + q2 = 0. What
does it tell us about the charges ?
[Foreign 2003]

## Two point charges q1 and q2 are placed close to each other. What is the nature of force between the ...

Two point charges q1 and q2 are placed close
to each other. What is the nature of force
between the charges when ql q2< 0 ?
[Foreign 2003]