An electric lamp marked 240v, 60 W is left to operate for an hour. How
PHYSICS
JAMB 2009
An electric lamp marked 240v, 60 W is left to operate for an hour. How much energy is generated by the filament?
- A) 3.86 x 105J
- B) 3.56 x 105J
- C) 1.80 x 104J
- D) 2.16 x 105J
Correct Answer: D) 2.16 x 105J
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