It’s a science question of class 7, please tell fast
Attachments:
Answers
Answered by
2
It is a solenoid.
A solenoid is a device comprised of a coil of wire, the housing and a moveable plunger (armature). When an electrical current is introduced, a magnetic field forms around the coil which draws the plunger in. More simply, a solenoid converts electrical energy into mechanical work.
Answered by
1
Answer:
this is a solenoid
A solenoid is a coil of insulated or enameled wire wound on a rod-shaped form made of solid iron, solid steel, or powdered iron.
Similar questions