A 20-Cm Length of Wire Is Held Along an East-West

question 12

Multiple Choice

A 20-cm length of wire is held along an east-west direction and moved horizontally to the north with a speed of 3.0 m/s in a region where the magnetic field of the earth is 60 μT directed 30° below the horizontal. What is the magnitude of the potential difference between the ends of the wire?

• A) 36 μV
• B) 18 μV
• C) 31 μV
• D) 24 μV
• E) 21 μV

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