A Rectangular Loop of Wire That Can Rotate About an Axis

question 59

Multiple Choice

A rectangular loop of wire that can rotate about an axis through its center is placed between the poles of a magnet in a $\vec { B }$ field of 0.40 T,as shown in the figure.The length of the loop L is 0.16 m and its width w is 0.040 m.What is the magnetic flux through the loop when the plane of the loop makes an angle of 60° with the $\vec { B }$ field?

• A)2.6 × 10^-3 T ∙ m²
• B)1.3 × 10^-3 T ∙ m²
• C)0 T ∙ m²
• D)2.2 × 10^-3 T ∙ m²
• E)0.80 T ∙ m²

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Definitions:

Allowance Method

The Allowance Method is an accounting technique that estimates and accounts for doubtful accounts, reducing the accounts receivable to its net realizable value.

Going Concern Assumption

An accounting principle assuming that an entity will continue to operate for the foreseeable future.

Direct Method

An approach to preparing the cash flow statement where actual cash flows from operating activities are listed.