A variable condenser is permanetly connect to a `100V` battery. If the capacity is charged from `2muE` to `10muF`, then change in energy is equal to

A variable condenser is permanently connect to a 100V battery. If the capacity is charged from 2muF to 10muF , then change in energy is equal to

A variable condenser is permanently connected to a 100 V battery. If capacity is changed from 2 mu F to 10 mu F then energy change is equal to

A variable capacitor is kept connected to a 10 V battery, if the capacitance of the capcitor is changed from 7muF to 3muF , what is the change in the energy?

The capacitance of a variable capacitor joined with a battery of 100 V is changed from 2 mu F to 10 mu F . What is the change in the energy stored in it ?

A condenser has a capacity 2muF and is charged to a voltage of 50 V. The energy stored is

A condenser of capacity 500 pF is charged to a potential 100V. Find the charge on the condenser and energy stored in it.