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Name the device which converts electrica...

Name the device which converts electrical energy into mechanical energy.

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The correct Answer is:
Electric motor
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LAKHMIR SINGH & MANJIT KAUR-WORK AND ENERGY-Exercise
  1. What is the common name of '1 kWh' of electrical energy?

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  2. A cell converts one form of energy into another form. Name the two for...

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  3. Name the device which converts electrical energy into mechanical energ...

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  4. Name the devices or machines which convert : (a) Mechanical energy i...

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  5. Name the devices or machines which convert : (i) Electrical energy i...

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  6. Fill in the following blanks with suitable words : (a) Power is the ...

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  7. A trolley is pushed along a road with a force of 400 N through a dista...

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  8. What kind of energy transformations take place at a hydroelectric powe...

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  9. What kind of energy transformations take place at a coal-based thermal...

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  10. A man weighing 500 N carried a load of 100 N up a flight of stairs 4 m...

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  11. The power output of an engine is 3 kW. How much work does the engine d...

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  12. An electric heater uses 600 kJ of electrical energy in 5 minutes. Calc...

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  13. How much electrical energy in joules does a 100 watt lamp consume : ...

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  14. Five electric fans of 120 watts each are used for 4 hours. Calculate t...

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  15. Describe the energy changes which take place in an radio.

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  16. Write the energy transformations which take place in an electric bulb ...

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  17. Name five appliances or machines which use an electric motor.

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  18. A bulb lights up when connected to a battery. State the energy change ...

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  19. The hanging bob of a simple pendulum is displaced to one extreme posit...

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  20. A car of weight 20000 N climbs up a hill at a steady speed of 8 m/s, g...

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