1.
A charge of +4 μC is brought from infinity to a point where electric potential is 300 V. The work done by the external agent is
2.
The electric potential due to a point charge at distance r is proportional to
3.
Which quantity remains unchanged when a dielectric slab is inserted into an isolated charged capacitor?
4.
The work done in moving a charge around a closed path in an electrostatic field is
5.
The electric potential at the midpoint of two equal and opposite charges is
6.
The capacitance of a parallel plate capacitor depends upon
7.
Two capacitors of capacitance C each are connected in series across a battery. Charge on each capacitor is
8.
An equipotential surface and electric field are always
9.
If the potential at a point is zero, then the electric field at that point
10.
The capacitance of an isolated conductor increases when
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