FIGURE 22-7 -A Wire in the Shape of an "M" Lies in "M

question 59

Multiple Choice

FIGURE 22-7
-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. It is placed in a uniform magnetic field of 0.85 T in the same plane, directed as shown in Figure 22-7. What is the magnitude and direction of the force acting on the wire?

• A) 0.40 N perpendicular out of the page
• B) 0.10 N perpendicular into the page
• C) 0.40 N perpendicular into the page
• D) 0.10 N perpendicular out of the page
• E) 0.20 N perpendicular out of the page

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Definitions:

Invisible Hand

A concept introduced by Adam Smith to describe the unintended social benefits resulting from individual actions when individuals pursue their own interests.

Competitive Market System

A market structure characterized by many buyers and sellers, free entry and exit from the market, and products that are similar.

Productive Efficiency

A situation where a firm produces goods at the lowest possible cost, utilizing all of its resources fully and effectively.

Pure Competition

A market structure characterized by a large number of small firms producing identical products, with no single firm having the market power to influence prices.