Work done per unit test charge is characteristic
of the electric field associated with the charge configuration. This leads to the
idea of electrostatic potential V due to a given charge configuration.
In other words, the electrostatic potential (V) at any point in
a region with electrostatic field is the work done in bringing a unit positive
charge (without acceleration) from infinity to that point.
Work done by external force in bringing a unit
positive charge from point R to P
where VP and VR are the
electrostatic potentials at P and R, respectively.
Work done by an external force in bringing a unit positive
charge from infinity to a point = electrostatic potential (V) at that point.
SI unit of Potential difference is Volt. 1V=1Nm C-1
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Some of these questions which may be asked in your Board Examination 2012-2013
Q1: When a plastic comb is passed through dry hair, what type of charge is acquire by comb?
Q2: Does motion of a body affect its charge?
Q3: What is the origin of frictional forces?
Answer these questions in comment box and help your friends
Some of these questions which may be asked in your Board Examination 2012-2013
Q1: When a plastic comb is passed through dry hair, what type of charge is acquire by comb?
Q2: Does motion of a body affect its charge?
Q3: What is the origin of frictional forces?
Answer these questions in comment box and help your friends
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