Computer Science, asked by farooqahmadgmailcom, 3 days ago

____ is a switch controlled by an electromagnet.

Answers

Answered by muhammedshamaas2008

Answer:

A relay is an electromagnetic switch operated by a relatively small electric current that can turn on or off a much larger electric current. The heart of a relay is an electromagnet (a coil of wire that becomes a temporary magnet when electricity flows through it

Explanation:

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