A Coil Is Placed in a Magnetic Field and Has

question 1

Multiple Choice

A coil is placed in a magnetic field and has a flux Φ_B through it.The coil is stressed so that its area reduces to 60% of its original value.If the plane of the coil stays the same and the flux through it remains the same,how must the magnetic field change?

• A) It must increase by 60%.
• B) It must increase by 120%.
• C) It must decrease by 40%.
• D) It must increase by 67%.

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Definitions:

Supply Increases

A situation where the quantity of a good or service that producers are willing to offer for sale rises.

Flex Time

An arrangement that allows employees to alter their start and finish times, provided that the total work hours remain constant.

Wages

Payments made to workers for their labor, typically based on hours worked or the amount of output produced.

Economics in Practice

The application of economic theories and principles to real-world scenarios and the analysis of actual economic practices.