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Calculate the resistance of the filament of lamp rated at 240V 60W

Physics
WAEC 1998
Calculate the resistance of the filament of lamp rated at 240V 60W
  • A. 240\(\Omega\)
  • B. 360\(\Omega\)
  • C. 960\(\Omega\)
  • D. 144\(\Omega\)
  • E. 2880\(\Omega\)
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Correct Answer: Option C
Explanation
P = \(\frac{V^2}{R} = \frac{240^2}{60} = 960\)
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