Electrostatic P...

If the area of one of the plates of a parallel plate capacitor is half that of the other, then charges on its plates are:

Find equivalent capacitance between A and B.

An external agent pulls a unit positive charge from infinity to a point, then the potential of that point is

A semicircular wire of radius $$a$$ having $$\lambda$$ as charge per unit length is shown in the figure. The electric potential at the centre of the semicircular wire is

Two $$30\mu F$$ capacitors are joined in parallel. This combination is then joined in series with series combination of two $$30\mu F$$ capacitors. The effective capacitance will be?

The equivalent capacity of the combination shown in figure is?

Two identical drops of a liquid are charged to the same potential of $$100$$V. They are then merged into one large drop, the potential of the large drop is?

For circuit shown equivalent capacitance between S and Q is?

When a bird sits on a very high voltage cable.

The equivalent capacitance between points M and N is?