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A lamp is marked 220V 60 W. Calculate the energy it would consume when connected...

Physics
WAEC 1988
A lamp is marked 220V 60 W. Calculate the energy it would consume when connected to a 220V source for 1 hour.
  • A. 216000J
  • B. 13200J
  • C. 3600J
  • D. 864J
  • E. 220J
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Correct Answer: Option A
Explanation
E = pt
=> 60 x 1 x 60 x 60 = 216000J
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