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Which of the following allows voltage reversing?

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+1 vote
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Which of the following allows voltage reversing?

(a) H bridge

(b) Relays

(c) LEDs

(d) LCDs

This question was addressed to me during an interview.

I'd like to ask this question from Power Controls in division Interfacing to the Analog World of Embedded Systems

1 Answer

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The correct option is (a) H bridge

To elaborate: The H bridge is used in controlling DC motors or any other loads which need voltage reversing.

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