A Conducting Rectangular Loop of Mass M,resistance R,and Dimensions a ×

question 9

Multiple Choice

A conducting rectangular loop of mass M,resistance R,and dimensions a × b is allowed to fall from rest through a uniform magnetic field which is perpendicular to the plane of the loop.The loop accelerates until it reaches a terminal speed (before the upper end enters the magnetic field) .If a = 2.0 m,B = 6.0 T,R = 40 Ω,and M = 0.60 kg,what is the terminal speed?

• A)1.6 m/s
• B)20 m/s
• C)2.2 m/s
• D)26 m/s
• E)5.3 m/s

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Definitions:

Spending Variance

The difference between the actual amount spent and the budgeted amount for a particular accounting period.

Net Operating Income

The revenue earned from normal business operations after deducting operating expenses but before interest and taxes.

Activity Variance

The difference between the planned activity level of cost-driving activities and the actual level incurred, impacting the budget or costing analysis.

Materials

Items or substances used in the production or manufacturing of goods.