A conducting bar of length L rotates in the plane of the page about one end with

Question

A conducting bar of length L rotates in the plane of the page about one end with constant angular speed omega. A uniform magnetic field is directed into the page, as shown. Is there a potential difference between the ends of the bar? Is there an induced electric field within the bar? There is a potential difference, with the pivot at lower potential than the other end. An induced electric field points toward the pivot. There is a potential difference, with the pivot at higher potential than the other end. An induced electric field points away from the pivot. There is no potential difference between the ends of the bar. There is no induced electric field within the bar. There is a potential difference, with the pivot at higher potential than the other end. An induced electric field points toward the pivot. There is a potential difference, with the pivot at lower potential than the other end. An induced electric field points away from the pivot.

Explanation / Answer

answer option (a)

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