Is work dome by a battery always equal to the thermal energy develop in electrical circuits? What happens if a capacitor is connected in the circuit?

Is work done by a battery always equal to the thermal energy develop in electrical circuits? What happens if a capacitor is connected in the circuit?

IF only a capacitor is connected to an ac circuit

How is ammeter always connected in circuits?

How is ammeter always connected in circuits?

A non ideal battery is connected to a resistor. Is work done by the battery equal to the thermal energy developed in the resistor? Does your answer change If the battery is ideal?

In an electric circuit, explain why a fuse is always connected in series.