Electronics - Magnetism and Electromagnetism - Discussion

Discussion Forum : Magnetism and Electromagnetism - Filling the Blanks (Q.No. 10)
10.
The ___ is an electromagnetic device that contains a coil rotating on a jeweled bearing mount.
permanent-magnet speaker
d'Arsonval movement
single-pole, double-throw relay
crankshaft position sensor
Answer: Option
Explanation:
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