The Figure Shows a Cross Section of Three Parallel Wires

question 6

Multiple Choice

The figure shows a cross section of three parallel wires each carrying a current of 20 A. The currents in wires A and B are out of the paper, while that in wire C is into the paper. If the distance R = 5.0 mm, what is the magnitude of the force on a 2.0-m length of wire A?

• A) 23 mN
• B) 64 mN
• C) 32 mN
• D) 46 mN
• E) 55 mN

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Definitions:

Affirmative

A term indicating agreement or the assertion of a position or truth, often used in debate or logic to denote the positive side of an argument.

Statement Form

The form or structure of a statement or proposition in logic, usually presented in a symbolic language.

Particular

In logic, refers to propositions or statements that affirm or deny something about only some members of a class, as opposed to universality which concerns all members.

Negative

Expressing denial, disagreement, or the absence of certain characteristics or conditions.