Physics

Physics

Problem

A uniform magnetic field BB exists in a direction perpendicular to the plane of a square loop made of a metal wire. The wire has a diameter of 4 mm and a total length of 30 cm. The magnetic field changes with time at a steady rate dB/dt=0.032 T s−1dB/dt = 0.032 \text{ T s}^{-1} . The induced current in the loop is close to (Resistivity of the metal wire is 1.23×10−8Ω m1.23 \times 10^{-8} \Omega \text{ m} ) a. 0.43 A b. 0.61 A c. 0.34 A d. 0.53 A

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