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
1.2\(\Omega\)
12,000 \(\Omega\)
20.0\(\Omega\)
144\(\Omega\)
Correct answer is D
P = \(\frac{V^2}{R}\)
R = \(\frac{120^2}{100}\)
= 144.0\(\Omega\)
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