It is used to connect the power supply to the power source.

A switch that is controlled by a rotating shaft.

It serves as a housing of AC DC power supply.

A component that removes ripples from the output of the rectifier circuit.

A component which allows only the flow of current in one direction.

A component which is used to limit the amount of current flowing in a circuit.

A component that consist of two or more coils which are coupled together by  magnetic induction.

A protective device used to prevent the circuit from short circuit or damage.

A transducer which convert electrical energy to light energy.

Half wave rectifier circuit.