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Who Will spend more electrical energy ? ...

Who Will spend more electrical energy ? 500 W TV set in 30 mins, or 600 W heater in 20 mins ?

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The correct Answer is:
T.V. Set
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TARGET PUBLICATION-EFFECTS OF ELECTRIC CURRENT -Practice Problems
  1. Two tungsten bulbs of wattage 100 W and 120 W power work on 220 V pote...

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  2. Heat energy is being produced in a resistance in a circuit at the rate...

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  3. Who Will spend more electrical energy ? 500 W TV set in 30 mins, or 60...

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  4. Calculate the heat generated in a coil of resistance 40 'ohm' in joule...

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  5. The heat generated is 5.4xx10^(4)J when a potential fifference of 50 ...

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  6. Calculate the heat generated in joule in a coil when potential differe...

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  7. Calculate the heat in joules, generated in a coil of resistance 400 'o...

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  8. Find the resistance of 80 W, 240 V bulb.

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  9. An electric bulb is rated 220 V and 100 W. When it is operated on 110 ...

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  10. An electric geyser rated 500 W operates one hour/day. If the cost of u...

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  11. A TV of rating 80 W operates 4 hours/day. Find the number of units con...

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  12. An electric appliance of rating 1600 W is running for 2 hrs/day. If th...

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  13. Two tungsten bulbs of wattage 100 W and 120 W power work on 220 V pote...

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  14. Heat energy is being produced in a resistance in a circuit at the rate...

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  15. Who Will spend more electrical energy ? 500 W TV set in 30 mins, or 60...

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  16. Calculate the heat generated in a coil of resistance 40 'ohm' in joule...

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  17. The heat generated is 5.4xx10^(4)J when a potential fifference of 50 ...

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    |

  18. Calculate the heat generated in joule in a coil when potential differe...

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  19. Calculate the heat in joules, generated in a coil of resistance 400 'o...

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  20. Find the resistance of 60 W, 240 V bulb.

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