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CBSE Notes 2011-2012 » XII-Physics

Electrostatics

Define the term electric dipole moment. Is it a scalar or a vector quantity ? [AI 2006]

Short answer question

Define the term electric dipole moment. Is it a
scalar or a vector quantity ? [AI 2006]

An electric dipole of dipole moment 20 x 10 6 Cm is enclosed by a closed surface. What is the net fl...

Short answer question

An electric dipole of dipole moment
20 x 10 6 Cm is enclosed by a closed surface.
What is the net flux coming out of the
surface ? _ [Delhi 2005]

An electrostatic field line cannot be discontinuous. Why ? [AI 2005]

Short answer question

An electrostatic field line cannot be discontinuous.
Why ? [AI 2005]

Two electric field lines never cross each other. Why ? [AI 2005]

Short answer question

Two electric field lines never cross each other.
Why ? [AI 2005]

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

Short answer question

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 ...

Short answer question

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

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