A Coil Is Placed in a Magnetic Field and Has

question 69

Multiple Choice

A coil is placed in a magnetic field and has a flux F_B through it.The coil is stressed so that its area reduces to 75% 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 25%.
• B)It must increase by 33%.
• C)It must increase by 125%.
• D)It must decrease by 25%.

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Definitions:

Impact

The feeling of making a difference.

Making a Difference

Having a significant, positive impact on people, situations, or the environment through one's actions or efforts.

Psychological Empowerment

The perception or feeling by employees that they have control over their work and its outcomes and that they are in a position to influence decisions.

Decreased Impact

A reduction in the strength or effectiveness with which something influences events or outcomes.