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Electric Motor

State whether...

Question

State whether the following statements are true of false :

(a) A generator works on the principle of electromagnetic induction.

(b) A motor works on the principle of electromagnetic induction.

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Solution

(a) True
(b) False

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Similar questions

State True or False:

An electric generator works on the principle of electromagnetic induction.

Q. (a) Name one device which works on the magnetic effect of current.
(b) Name one device which works on the phenomenon of electromagnetic induction.
(c) Which device converts electric energy into mechanical energy?
(d) Describe the principle of working of an electric motor.
(e) Explain the principle of working of an electric generator.

State whether following statements are True or False:

(a) An electric motor converts mechanical energy into electrical energy

(b) An electric generator works on principle of electromagnetic induction

(c) The field at the center of a long circular coil carrying current will be parallel straight lines

(d) A wire with a green insulation is usually the live wire of an electric supply

Q. Which of the following equipment works on the principle of electromagnetic induction?

Q. Given below are some devices. Identify the one that does not work on the principle of electromagnetic induction. Also mention the principle on which it works.
(a) Dynamo
(b) Loud speaker
(c) Microphone
(d) Transformer

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