A Wire in the Shape of an "M" Lies in the Plane

question 102

Multiple Choice

A wire in the shape of an "M" lies in the plane of the paper.It carries a current of 2.0 A,flowing from A to E,as shown in the figure.It is placed in a uniform magnetic field of 0.75 T in the same plane,directed as shown on the right side of the figure.The figure indicates the dimensions of the wire.Note that AB is parallel to DE and to the baseline from which the magnetic field direction is measured.What are the magnitude and direction of the force acting on section AB of this wire?

• A)0.20 N perpendicular out of the page
• B)0.40 N perpendicular out of the page
• C)0.11 N perpendicular out of the page
• D)0.20 N perpendicular into the page
• E)0.11 N perpendicular into the page

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Definitions:

Cost Method

An accounting method where investments are recorded at their acquisition cost.

Journal Entries

The method by which transactions are recorded in the company's accounting records with a debit and credit entry.

Significant Influence

The ability to be involved in the financial and managerial policy decisions of an investment without having controlling authority over those policies.

Fair Value Through Profit or Loss

An accounting approach where financial assets are valued at their current market price, with changes in fair value reported in the profit or loss statement.