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A resistor connected to a 12V battery draws a current of 2A. The energy dispatched in ...

A resistor connected to a 12V battery draws a current of 2A. The energy dispatched in the resistor in 5 minutes is ___.
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 3,600J
  • B 6,000J
  • C 7,200J
  • D 14,400J
Correct Answer: Option C
Explanation:
Power drawn by the resistor = IV = (2)(3) = 24W = 24J/s
 Energy dissipated = power × time = (24)(5)(60) = 7200J

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