Electronics - Magnetism and Electromagnetism - Discussion

16. 

Which electromagnetic device has a movable iron core called a plunger?

[A]. A speaker
[B]. A dc generator
[C]. A relay
[D]. A solenoid

Answer: Option D

Explanation:

No answer description available for this question.

Nikitha said: (Apr 17, 2015)  
A solenoid plunger is the moving part of a solenoid that transfers linear motion from the solenoid to the component that it is designed to operate.

The plunger is typically a ferrous metal bar of square or round cross-section designed to fit into the solenoid coil pocket.

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