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

question 113

Multiple Choice

Two long parallel wires placed side-by-side on a horizontal table carry identical current straight toward you.From your point of view,the magnetic field at a point exactly between the two wires

• A)points upward.
• B)points downward.
• C)points toward you.
• D)points away from you.
• E)is zero.

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Definitions:

Average Error

A statistical measure that averages the absolute differences between the observed values and the values predicted by a model.

Independent Variable

The variable that is manipulated in an experiment to observe its effect on the dependent variable.

Dependent Variable

A variable in an experiment or model that is expected to change in response to changes in independent variables.

Perfect Correlation

Perfect correlation occurs when two variables move in unison, either directly (perfect positive correlation) or inversely (perfect negative correlation), with a correlation coefficient of +1 or -1, respectively.