A square loop of side 'a' and resistance R is placed with its face in the x-y plane. A uniform magnetic field of magnitude B_{0} e^{-t \/ \tau}, where t is time \& \tau is a constant, pointing in \sqrt{3}^{∧} x+z direction is applied. The magnitude of emf in the loop at time \tau is

\frac{1}{4} {B_{0} a^{2}}/{e \tau}

\frac{1}{2} {B_{0} a^{2}}/{e \tau}

TS EAMCET Medical 09 AUG 2021 Shift 2 Paper

Question : 112 of 160

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A square loop of side 'a' and resistance R is placed with its face in the x−y plane. A uniform magnetic field of magnitude B0e−t∕τ, where t is time \& τ is a constant, pointing in √3∧x+z direction is applied. The magnitude of emf in the loop at time τ is

‌
1
4
‌
B0a2
eτ
‌
1
2
‌
B0a2
eτ
‌
B0a2
eτ
2‌
B0a2
eτ

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