Two Long Parallel Wires Placed Side-By-Side on a Horizontal Table

question 48

Multiple Choice

Two long parallel wires placed side-by-side on a horizontal table carry identical size currents in opposite directions. The wire on your right carries current toward you, and the wire on your left carries current away from you. From your point of view, the magnetic field at the point exactly midway between the two wires

• A)points up.
• B)points down.
• C)points toward you.
• D)points away from you.
• E)is zero.

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Definitions:

Function

A mathematical relationship where each input has a single output, often expressed as f(x).

Domain

All the conceivable values that can be inputted into a function.

Composition

In mathematics, the act of applying one function to the result of another to produce a third function; it's the combining of two functions where the output of one becomes the input of the other.

Composition

The operation of applying one function to the result of another to produce a third function.