Question

Which of the following instruments works by electromagnetic induction? O Dynamo O Moving coil galvanometer O Telephone receiver O Simple motor​

Answer 1

Answer:

Dynamo

Explanation:

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Answer 2

Dynamo is an instrument that works by electromagnetic induction. (Option A)

• An electric generator (also known as a dynamo) is a machine that creates electricity through the use of the electromagnetic induction principle.
• Dynamo works based on dynamically induced e.m.f. production.
• As a result, anytime the conductor cuts the flux, some e.m.f. is created in it according to the law of electromagnetic induction.
• A dynamo, for example, turns mechanical energy into electrical energy.
• As a result, option A is the proper choice.