The Figure Shows a Uniform Magnetic Field That Is Normal $\pi$

question 21

Multiple Choice

The figure shows a uniform magnetic field that is normal to the plane of the conducting loop of resistance R. Note: the area of the non-circular portion of the circuit is negligible compared to that of the loop.
-Suppose that the radius of the loop is 0.500 m. At what rate must B change with time if the emf induced in the loop is $\pi$ volts?

• A)12.0 T/s
• B)18.8 T/s
• C)24.0 T/s
• D)37.7 T/s
• E)49.2 T/s

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Definitions:

Reservation Price

The maximum or minimum price at which a consumer is willing to buy or sell a good or service.

Elastic Demand

A situation where the demand for a product or service significantly changes in response to a change in price.

Regulated Monopoly

A monopoly that is allowed to operate by the government under set conditions and regulations to ensure fair competition and protect consumers.

Regulation Dilemma

The challenge of finding the balance between necessary governmental regulations and the freedom for businesses to operate efficiently.