As shown in the figure, a very thin sheet of aluminium is placed in between the plates of the condenser. Then the capcaity

A very very thin sheet of aluminium is placed in between the plates of the capacitor, the capacitance will

The two metallic plates of radius r are placed at a distance d apart and its capacity is C . If a plate of radius r//2 and thickness d of dielectric constant 6 is placed between the plates of the condenser, then its capacity will be

The two metallic plates of radius r are placed at a distance d apart and its capacity is C . If a plate of radius r//2 and thickness d of dielectric constant 6 is placed between the plates of the condenser, then its capacity will be