The radius of the circular conducting loop shown in figure is \( R \). Magnetic field is decreas...
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0The radius of the circular conducting loop shown in figure is \( R \). Magnetic field is decreasing at a constant rate \( \alpha \). Resistance per unit length of the loop is \( \rho \).
Then current in wire \( A B \) is ( \( A B \) is one of the diameters)
(A) \( \frac{R \alpha}{2 \rho} \) from \( A \) to \( B \)
(B) \( \frac{2 R \alpha}{2 \rho} \) from \( A \) to \( B \)
(C) \( \frac{R \alpha}{2 p} \) from \( B \) to \( A \)
(D) zero
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