A Conducting Rod (Length = 2

question 15

Multiple Choice

A conducting rod (length = 2.0 m) spins at a constant rate of 2.0 revolutions per second about an axis that is perpendicular to the rod and through its center. A uniform magnetic field (magnitude = 8.0 mT) is directed perpendicularly to the plane of rotation. What is the magnitude of the potential difference between the center of the rod and either of its ends?

• A) 16 mV
• B) 50 mV
• C) 8.0 mV
• D) 0.10 mV
• E) 100 mV

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