with neat diagram describe the principal construction and working of a transformer.

With neat circuit diagram describe the principal,construction and working of a potentiometer.

With neat diagram describe the principle construction and working of a moving coil galvanometer.

With neat circuit diagram describe the principle, construction an dworking of meter bridge. Also determine the resistance of the wire.

Describe the construction and working of Daniell cell.

with neat circuit diagram describe the construction and working of centretap full wave rectifier.

Discuss the construction and working of a dry cell.

Discuss the construction and working of a Carnot’s engine.