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
11.
The electrostatic potential energy of two like charges is
12.
The potential difference across a capacitor is doubled. The stored energy becomes
13.
The electric field is directed from
14.
The capacitance of a conductor is measured in
15.
A capacitor is connected to a battery. If the plate separation is increased without disconnecting the battery, the charge on the capacitor
16.
The electric field between the plates of a parallel plate capacitor is uniform because
17.
Which graph correctly represents charge Q versus potential V for a capacitor?
18.
For two capacitors connected in parallel, the equivalent capacitance is
19.
The electric potential due to a dipole at a point on its axial line is
20.
The SI unit of electric potential energy is
Leave a Reply