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Question

Which of the following will produce maximum wastage of electricity ?
  1. CFL
  2. Electric bulb
  3. LED lights
  4. All are power savers

A
CFL
B
Electric bulb
C
All are power savers
D
LED lights
Solution
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The electric bulb works by heating up a small wire called the filament. Electric current heats the filament so much that it glows. In fact, 90% of the electricity used by a electric bulb is converted to heat and this conversion produces maximum wastage of electrical energy.

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