Where is the energy stored ?

What is the energy stored when the space between the plates is filled with dielectric. (a) With charging battery disconnected ? (b) With charging battery connected in the circuit ?

Where is energy stored in ATP ?

Where does the energy spent go ultimately ?

How many time constants will elapse before the energy stored in the capacitor reaches half of its equilibrium value in a charging RC circuit?

A 50 mH coil carries a current of 2 ampere. The energy stored in joules is