Calculate the resistance of the filament of a lamp rates 240 V, 40 W
PHYSICS
WAEC 1990
Calculate the resistance of the filament of a lamp rates 240 V, 40 W
- A. 240Ω
- B. 360Ω
- C. 720Ω
- D. 1440Ω
Correct Answer: D. 1440Ω
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