A square loop of side \( 10 \mathrm{~cm} \) and resistance \( 0.5 \Omega \) is placed vertically...
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0A square loop of side \( 10 \mathrm{~cm} \) and resistance \( 0.5 \Omega \) is placed vertically in the east-west plane. A uniform
\( \mathrm{P} \)
magnetic field of \( 0.10 \mathrm{~T} \) is set-up across the plane in
W
the north-east direction. The magnetic field is decreased to zero in \( 0.70 \mathrm{~s} \) at a steady rate. The magnitudes of induced emf and current during this time interval are
(1) \( 0.1 \mathrm{mV}, 2 \mathrm{~A} \)
(2) \( 1 \mathrm{mV}, 2 \mathrm{~mA} \)
(3) \( 1 \mathrm{~V}, 2 \mathrm{~A} \)
(4) \( 1 \mathrm{mV}, 0.2 \mathrm{~A} \)
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