MCQ
A dynamo develops 0.5A at 6V.The energy which is generated in one second is:
  • A
    0.083J
  • B
    3J
  • C
    12J
  • D
    none of these

Answer

  1. 3J

Explanation:

Voltage(V) = 6V

Current(I) = 0.5A

Time(t) = 1sec

Energy generated = VIt

⇒ Energy = 6 × 0.5 × 1 = 3J

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