In a region of space where the magnetic field of the Earth has a magnitude of 80 ?T and is directed 30° below the horizontal, a 50-cm length of wire oriented horizontally along an east-west direction is moved horizontally to the south with a speed of 20 m/s. What is the magnitude of the induced potential difference between the ends of this wire?

A. 0.45 mV
B. 0.35 mV
C. 0.30 mV
D. 0.40 mV
E. 0.69 mV


Answer: D

Physics & Space Science

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