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

Physics
WAEC 2003
A lamp is rated 240V 60W, calculate the resistance of its filament
  • A. 240\(\Omega\)
  • B. 360\(\Omega\)
  • C. 960\(\Omega\)
  • D. 1440\(\Omega\)
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Correct Answer: Option C
Explanation
R = \(\frac{V^2}{P} = \frac{240^2}{60} = 960\Omega\)
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