A Wire Carrying a Current Is Shaped in the Form $\vec { B }$

question 40

Multiple Choice

A wire carrying a current is shaped in the form of a circular loop of radius 4.0 mm.If the $\vec { B }$ field magnitude at its center is $1.1 \mathrm { mT }$ with no external magnetic fields present,what is the magnitude of the current through the wire? (μ₀ = 4π × 10^-7 T ∙ m/A)

• A)7.0 A
• B)28 A
• C)14 A
• D)17 A

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Definitions:

Dividends

Payments made by a corporation to its shareholder members, usually derived from profits.

Outstanding Voting Common Stock

The shares of a company held by shareholders that are entitled to vote and are not held by the company itself.

Amortization

The process of gradually writing off the initial cost of an asset over a period, typically for intangible assets.

Inventory Costing

An accounting method used to value inventory, commonly involving First-In, First-Out (FIFO), Last-In, First-Out (LIFO), or weighted average cost methods.