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प्रश्न
Name the device or machine which convert :
Electrical energy into sound energy.
उत्तर
A speaker in radio and television converts electrical energy into sound energy.
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संबंधित प्रश्न
A body falls freely under gravity from rest. Name the kind of energy it will possess while falling.
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Fill in the blank with suitable word :
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Which law you have made use of in answering this question?
