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Which best contrasts electric doorbells and audio speakers?

ADoorbells involve rapid changes in the direction of current, and speakers do not. b.Speakers involve rapid changes in the direction of current, and doorbells do not. c.Doorbells require closed circuits in order to work, and speakers do not.
DSpeakers require closed circuits in order to work, and doorbells do not.

Verified Answer :

Answer:

B.Which best contrasts electric doorbells and audio speakers?


Explanation:

The answer is this because doorbells need a close circuit to make the sound they do speakers don't all they need are batteries and wires

mickymike92

The best contrasts between electric doorbells and audio speakers is that speakers involve rapid changes in the direction of current, and doorbells do not.

What is an electric circuit?

An electric circuit is a path of flow of electric current whereby work may be done by the electric current flowing in the circuit.

Electric doorbell require a closed circuit while speakers do not.

Speakers involve rapid changes in the direction of current, and doorbells do not.

Therefore, the best contrasts between electric doorbells and audio speakers is that speakers involve rapid changes in the direction of current, and doorbells do not.

Learn more about electric circuit at: https://brainly.com/question/2969220

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