As Shown in the Figure, One End of a Metal

question 171

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:

Diversifiable Risk

A type of investment risk that can be reduced through diversification of a portfolio across different assets, sectors, or geographical locations.

Unique Risk

Risk that is specific to an individual asset or company, which can be mitigated through diversification.

Firm-Specific

Refers to risk or information that is unique to a particular company and not related to the market or industry.

Covariance

A measure used to determine how two variables change together, indicating the direction of the relationship.