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प्रश्न
Why are compact fluorescent lamps (CFLs) preferred over electric bulbs?
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उत्तर
CFLs do not waste electricity as heat, unlike electric bulbs.
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संबंधित प्रश्न
Match the following
| 1. | Cell | used to open or close a circuit |
| 2. | Switch | safety device used in electric circuit |
| 3. | Circuit | A complete path for the flow of an electric current |
| 4. | Miniature circuit Breaker | Reset by hand, circuit becomes complete once again |
| 5. | Fuse | A device which converts chemical energy into electrical energy |
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