MCQ
When a wire loop is rotated in a magnetic field, the direction of induced $e.m.f$. changes once in each........$revolution$
  • A
    $0.25$
  • $0.5$
  • C
    $1$ 
  • D
    $2$

Answer

Correct option: B.
$0.5$
b
(b)This is the case of periodic EMI

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