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Energy

Name the devi...

Question

Name the devices or machines which convert :

(a) Mechanical energy into electrical energy.
(b) Chemical energy into electrical energy.
(c) Electrical energy into heat energy.
(d) Light energy into electrical energy.
(e) Electrical energy into light energy.

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Solution

(a) An electric generator converts mechanical energy into electrical energy.
(b) A cell, or battery, converts chemical energy into electrical energy.
(c) An electric iron converts electrical energy into heat energy.
(d) A solar cell converts light energy into electrical energy.
(e) An electric bulb converts electrical energy into light energy.

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