A Flat Circular Coil Has 200 Identical Loops of Very

question 99

Multiple Choice

A flat circular coil has 200 identical loops of very thin wire.Each loop has an area of 0.12 m² and carries 0.50 A of current.This coil is placed in a magnetic field of 0.050 T oriented at 30° to the plane of the loop.What is the magnitude of the magnetic torque on the coil?

• A)0.25 N ∙ m
• B)0.52 N ∙ m
• C)2.5 N ∙ m
• D)5.2 N ∙ m

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Definitions:

Additional Benefits

The perks or supplementary advantages that come in addition to the primary benefits of a product, service, or policy.

Marginal Analysis

Marginal Analysis is an examination of the additional benefits of an activity compared to the additional costs incurred by that same activity.

Relevant Costs

Only those costs that will be affected by a decision or action and therefore should be considered in decision-making.

Activity

In economic terms, refers to actions or engagements, such as production or consumption, within an economy.