GK QUESTIONS AND ANSWERS |
| General Knowledge Questions and Answers on Energy Posted: 01 May 2014 01:28 PM PDT 1. The capacity to do work is known as? Answer: Energy 2. Law of conservation of energy is introduced by? Answer: Einstein 3. Prime source of energy? Answer: Sun 4. Instrument used to convert mechanical energy into electrical energy? Answer: Dynamo, Generator 5. Instrument used to convert chemical energy into electrical energy? Answer: Cell 6. …………… convert electrical energy into light energy? Answer: Electric bulb 7. Solar energy can be converted into electrical energy using? Answer: Solar cell 8. Solar cells are made of? Answer: Semiconductor materials |
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