The direction of electric current in the coil reverses after every revolution(s) in an AC generator.

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Solution

In an AC generator, the direction of electric current reverses after every half revolution of the coil. Also, the direction of force on each arm changes after every half revolution.

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Similar questions

Answer the following questions.

(a) Why is the direction of the current in an electric motor reversed after every half round?

(b) How can the strength of an electro-magnet be increased?

(d) Why is there a key in an electrical circuit?

(e) Is the mechanism of a shirt button like that of the key in an electric circuit?

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