A Loop of Wire with a Weight of 0

question 1

Multiple Choice

A loop of wire with a weight of 0.55 N is oriented vertically and carries a current I = 2.25 A. A segment of the wire passes through a magnetic field directed into the plane of the page as shown. The net force on the wire is measured using a balance and found to be zero. What is the magnitude of the magnetic field?

• A)zero tesla
• B)0.51 T
• C)0.84 T
• D)1.2 T
• E)4.5 T

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Definitions:

Resource Costs

Expenses associated with the acquisition of resources needed for production, including materials, labor, and capital.

Production Costs

The expenses incurred in the process of creating a product or service, including raw materials, labor, and overhead costs.

Classical Theory

An economic theory that emphasizes free markets, free trade, and the idea that markets, if left to operate without interference, will naturally regulate themselves.

Interest Rate

The cost of borrowing money or the return on saved or invested money, expressed as a percentage of the principal.