An objective-type examination improves sharpness, prudent judgement, depth of knowledge, overall understanding, logic and concepts of the subject. A subjective-type examination improves communicaion and explanatory skills of the subject.
If Coulomb’s force on 2 C due to 5 C is 10ax (N), the force on 5 C due to 2 C is
Gradient of a potential and equipotential surface are
orthogonal to each other
in the same direction
out of phase
at 45° with one another
The work in moving a charge between two points depends on
Q, E and the path
Q and E only
Q, E and end points
Unit of potential is
Field due to infinitely long line charge ...
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