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

Answer

Correct option: B.
$3J$
Voltage $(V) = 6V$
Current $(I) = 0.5A$
Time $(t) = 1\sec$
Energy generated $= VIt$
$\Rightarrow $ Energy $= 6 \times 0.5 \times 1 = 3J$

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