Two Long Straight Wires Pierce the Plane of the Paper

question 31

Multiple Choice

Two long straight wires pierce the plane of the paper at vertices of an equilateral triangle as shown below.They each carry 2.0 A, out of the paper.The magnetic field at the third vertex (P) has magnitude:

• A)5.0* 10^-6 T
• B)8.7 * 10^-6 T
• C)1.0 * 10^-5 T
• D)1.7 * 10^-5 T
• E)2.0 * 10^-5 T

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Definitions:

Marginal Revenue

The additional income generated by increasing product sales by one unit.

Marginal Cost

The expense associated with manufacturing an extra unit of a product or service.

Economic Activity

Actions that involve the production, distribution, and consumption of goods and services at all levels within a society.

Marginal Cost

The expense involved in making an extra unit of a good or service.