Question

write two uses of solenoid

Answer 1

Solenoids are most commonly used as electromagnets, and all the examples so far are that kind of solenoid. But there are some other uses. They can be used to slow the flow of electricity in a circuit, making them an example of an inductor, or an impedance device.

Answer 2

Solenoid can be used as electromagnets, as inductors in electronic circuits, and as miniature wireless receiving antennas.