A Circular Coil of Wire Has 25 Turns and Has

question 60

Multiple Choice

A circular coil of wire has 25 turns and has a radius of 0.075 m. The coil is located in a variable magnetic field whose behavior is shown on the graph. At all times, the magnetic field is directed at an angle of 75° relative to the normal to the plane of a loop. What is the average emf induced in the coil in the time interval from t = 5.00 s to 7.50 s?

• A)-18 mV
• B)-49 mV
• C)-92 mV
• D)-140 mV
• E)-180 mV

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Definitions:

Increasing-Balance

A method of calculating depreciation that applies a constant rate to the asset's net book value each year, resulting in increased depreciation charges over time.

Units-Of-Production

A depreciation method that allocates cost based on the units produced or the machine hours used during the period.

Straight-Line

A method of allocating the cost of a tangible asset over its useful life in equal yearly amounts.

Carrying Amount

The value at which an asset is recognized in the balance sheet after deducting accumulated depreciation and impairment losses.