WAEC - Physics (2003 - No. 34) | ExamPlay

WAEC - Physics (2003 - No. 34)

A lamp is rated 240V 60W, calculate the resistance of its filament

240\(\Omega\)

360\(\Omega\)

960\(\Omega\)

1440\(\Omega\)

解释

R = \(\frac{V^2}{P} = \frac{240^2}{60} = 960\Omega\)

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