Electrostatic Potential and Capacitance

A hollow metallic sphere of radius $R$ is charged to a potential $V$. What is the electric potential at a point at a distance $r = R/2$ from the center?

Which of the following is the correct SI unit for electric potential?

The work done in moving a test charge $q_0$ between any two points on an equipotential surface is:

Two equipotential surfaces can never intersect each other because:

The angle between an electric field line and the equipotential surface through a point is:

For a single isolated positive point charge, the equipotential surfaces are in the shape of:

The energy stored in a capacitor of capacitance $C$ and potential difference $V$ is given by which formula?

Two capacitors of $2\ \mu F$ and $3\ \mu F$ are connected in series. What is the equivalent capacitance of the combination?

Which of the following is the SI unit of capacitance?

Consider the charging process of a capacitor as shown in the diagram. If the battery supplies a total energy $W$ to charge the capacitor to a potential $V$, how much of this energy is actually stored in the capacitor?

If the charge on a parallel plate capacitor is doubled while keeping the capacitance constant, the energy stored in the capacitor will become:

A $10 \mu F$ capacitor is charged to a potential of $50 V$. What is the electrostatic energy stored in the capacitor?

When a dielectric slab is inserted into the gap of a charged parallel plate capacitor, the net electric field ($E$) inside the dielectric compared to the original field ($E_0$) is:

What is the SI unit of the Polarization Vector ($\\vec{P}$)?

A molecule in which the center of gravity of positive charges and negative charges do not coincide even in the absence of an external electric field is called: