As Shown in the Figure, One End of a Metal

question 58

Multiple Choice

As shown in the figure, one end of a metal bar is in contact with a circular rail and the other end is pivoted at P. A steady uniform, magnetic field B into the page is present. As the bar rotates about point P in a clockwise direction, the direction of the induced current through the resistor R is

• A) from a to b.
• B) from b to a.
• C) No current is induced.

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A form of energy resulting from the existence of charged particles, used for power and numerous applications.

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