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WAEC - Physics (1998 - No. 41)

Calculate the resistance of the filament of lamp rated at 240V 60W
240\(\Omega\)
360\(\Omega\)
960\(\Omega\)
144\(\Omega\)
2880\(\Omega\)

Magyarázat

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

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