A Flat Circular Wire Loop Lies in a Horizontal Plane

question 87

Multiple Choice

A flat circular wire loop lies in a horizontal plane on a table and carries current in a counterclockwise direction when viewed from above. At this point, the earth's magnetic field
Points to the north and dips below the horizontal. Which side of the coil tends to lift off of the table
Due to the magnetic torque on the loop?

• A) the north side
• B) the west side
• C) the east side
• D) the south side
• E) The entire loop lifts straight up.

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Definitions:

Overhaul Costs

Expenses incurred for significant repairs or major restoration of equipment, machinery, or buildings which extend their life but do not qualify as capital expenses.

Incremental Cost Approach

An analysis technique that focuses on the additional costs and benefits associated with a particular decision or project.

Discount Rate

The interest rate used to discount future cash flows of a project or investment to their present value, reflecting the opportunity cost of capital.

Annual Net Cash Inflows

The total cash inflows minus the cash outflows for a business within a one-year period.