what is solenoid and write any 2 applications of it..
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when a current carrying insulated Mettlaic wire is in the form of helix then it is called solenoid
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Q) What is a solenoid ?
→ A solenoid is a coil of closely insulated copper wire in shape of a cylinder.
→ It acts like a magnet when, we pass electricity through it.
Q) Write any two applications of a solenoid.
As it acts as a magnet it has many uses :-
- It is used in chime doorbells.
- Speakers, Microphones etc. contain solenoid.
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