A Flat Circular Loop of Wire Is in a Uniform

question 62

Multiple Choice

A flat circular loop of wire is in a uniform magnetic field of 0.30 T.The diameter of the loop is 1.0 m,and a 2.0-A current flows in it.What is the magnitude of the magnetic torque on the loop when the plane of the loop is parallel to the magnetic field?

• A)0.00 N ∙ m
• B)0.41 N ∙ m
• C)0.47 N ∙ m
• D)0.52 N ∙ m

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Definitions:

Preference

An individual's choice or predilection towards certain ideas, objects, or outcomes over others.

Error Management Theory

A theory suggesting that humans and other animals have evolved biases in judgement and decision-making processes to avoid more costly errors.

Omission Bias

The tendency to take whatever course of action does not require you to do anything (also called the default option).

Status Quo Bias

A cognitive bias favoring the existing state of affairs or the current baseline (the "status quo"), often leading to resistance against change.