A device consumes 100 W of power when connected to a 120 ...
A device consumes 100 W of power when connected to a 120 V source. Calculate its resistance
1.2Ω
12,000 Ω
20.0Ω
144Ω
Correct answer is D
P = V2R
R = 1202100
= 144.0Ω
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