An Ideal Solenoid of Radius a Has N Turns Per $\phi$

question 15

Multiple Choice

An ideal solenoid of radius a has n turns per unit length and current I.The magnetic flux $\phi$ B through any area completely inside the solenoid, centred on the solenoid axis but at a 45 $\degree$ angle to the axis, so that it touches the inside of the solenoid, as shown below, is:

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Definitions:

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An illicit payment made to someone to persuade them to act in one's favor by doing something dishonest or illegal.

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A change in public or organizational support, often referring to political, social, or economic preferences shifting among individuals or groups.

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The capital city of the United States, known for being the seat of the federal government, including the President, Congress, and the Supreme Court.