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In a clockwork radio, the energy conversion happens from
(a)The chemical energy to electrical energy.
(b)The sound energy to electrical energy.
(c)The solar energy to electrical energy.
(d)The electrical energy to light energy.

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Important Questions on Energy Transformations and Energy Transfers
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Energy can be changed from one form to another. It can be transferred from one object to another. Copy and complete the following sentence.
The total amount of energy does not change. This is known as the principal of _____ of energy.

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Energy can be changed from one form to another. It can be transferred from one object to another. Copy and complete the sentence.
When energy changes from one form to another, some of the energy may be wasted, often in the form of _____.

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