Two Long Parallel Wires Lie in the Xz Plane

question 44

Multiple Choice

Two long parallel wires lie in the xz plane. One wire passes through the point (-2 m, 0, 0) and the other through the point (+2 m, 0, 0) . The wires carry equal currents in the positive z direction.

1. The magnetic field at (-3 m, 0, 0) is in the negative y direction.
2. The magnetic field at (-1 m, 0, 0) is in the positive y direction.
3. The magnetic field at (+1 m, 0, 0) is in the positive y direction.
4. The magnetic field at (+3 m, 0, 0) is in the negative y direction.

• A)1 and 2 are correct.
• B) 1 and 4 are correct.
• C) 2 and 3 are correct.
• D) 3 and 4 are correct.
• E) None of the above are correct.

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Definitions:

Consumption

The employment of goods and services within home environments.

Income

Monetary payment received for work or through investments.

Interest Rate

The fraction of a loan that incurs interest costs for the borrower, usually described as an annual percentage rate.

Utility Function

A mathematical representation of how a consumer's satisfaction or preference for goods and services is dependent on their consumption levels.