As Shown in the Figure,one End of a Metal Bar

question 71

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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Definitions:

Mary Whiton Calkins

An American psychologist and philosopher who became the first female president of the American Psychological Association and was known for her work in self-psychology and memory.

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A prestigious Ivy League university located in Cambridge, Massachusetts, known for its scholarly research, diverse programs, and influence in various fields.

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A therapeutic approach and theory of psychology developed by Sigmund Freud, focusing on unconscious mental processes and conflicts.

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