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CBSE Notes 2011-2012 » XII-Physics

Electrostatics

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

Short answer question

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]

Which physical quantity has unit NC <sup>-1</sup> ? It is a vector or scalar quantity ?

Short answer question

Which physical quantity has unit NC -1 ? It is a
vector or scalar quantity ?

How much work is done in moving a 500 pC charge between two points on an equipotential surface ?

Short answer question

How much work is done in moving a 500 pC
charge between two points on an equipotential
surface ?

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]

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