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What is the principle on which electromagnetic relays operate?

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in Microcontroller by (14.6k points)
What is the principle on which electromagnetic relays operate?

(a) electromagnetic induction

(b) motor control

(c) switching

(d) none of the mentioned

The question was asked by my school principal while I was bunking the class.

I want to ask this question from Interfacing with Motors topic in division 8051 Microcontroller of Microcontroller

1 Answer

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by (24.2k points)
Right answer is (a) electromagnetic induction

Easy explanation: Electromagnetic relays work on the principle of electromagnetic induction. It is used as a switch in industrial controls, automobile and appliances. It allows the isolation of the sections of a system with two different voltage sources.

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