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A device consumes 100 W of power when connected to a 120 V source. Calculate its ...

A device consumes 100 W of power when connected to a 120 V source. Calculate its resistance.
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 1.2\(\Omega\)
  • B 12,000 \(\Omega\)
  • C 20.0\(\Omega\)
  • D 144\(\Omega\)
Correct Answer: Option A
Explanation:
R = \(\frac{v}{I}\)
= \(\frac{120}{100}\)
= 1.2\(\Omega\)

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