A square loop of side 50 cm is placed in a uniform magnetic field of $3\cdot 0$ T acting perpendicular to the plane of the loop. If the loop is rotated through an angle of $90^{\circ}$ in $0\cdot 3$ s, the value of emf induced in the loop would be :
(A) $2\cdot 5$ V
(B) $0\cdot 50$ V
(C) $0\cdot 75$ V
(D) $1\cdot 0$ V
MEDIUM
Correct AnswerA
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