A Single Circular Loop of Radius 1

question 49

Multiple Choice

A single circular loop of radius 1.00 m carries a current of 10.0 mA.It is placed in a uniform magnetic field of magnitude 0.500 T that is directed parallel to the plane of the loop as suggested in the figure.What is the magnitude of the torque exerted on the loop by the magnetic field?

• A)1.57 × 10^-2 N .m
• B)3.14 × 10^-2 N .m
• C)6.28 × 10^-2 N . m
• D)9.28 × 10^-2 N .m
• E)zero N . m

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Definitions:

U-500 Insulin

A highly concentrated form of insulin used to control high blood sugar in people with diabetes, particularly when high doses are needed.

Tuberculin Syringe

A small syringe used for administering tuberculin tests, typically holding 0.5 to 1 ml of fluid.

Phenytoin

An anticonvulsant medication used to treat and prevent seizures by reducing electrical conductance among brain cells.

Trough Level

The lowest concentration of a drug remaining in the body just before the next dose is due, usually measured to ensure therapeutic levels are maintained without reaching toxicity.