Field of a Circular Loop: a Wire Carrying a Current

question 78

Multiple Choice

Field of a circular loop: A wire carrying a current is shaped in the form of a circular loop of radius If the magnetic field strength that this current produces at the center of the loop is what is the magnitude of the current that flows through the wire? (μ₀ = 4π × 10^-7 T ∙ m/A)

• A) 5.3 A
• B) 16 A
• C) 9.1 A
• D) 23 A

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Definitions:

Maturity

The date on which a financial obligation must be repaid or a financial instrument, such as a bond, reaches its final due date and the principal is returned to investors.

Principal Payment

The portion of a loan payment that goes towards paying down the original amount borrowed, as opposed to interest.

Installment Note

A debt instrument that requires a series of payments over time, including interest and principal.

Annual Payment

A recurring payment made once a year, often related to loans, insurance policies, or subscriptions.