The Figure Shows Two Long Wires Carrying Equal Currents I₁

question 62

Multiple Choice

The figure shows two long wires carrying equal currents I₁ and I₂ flowing in opposite directions. Which of the arrows labeled A through D correctly represents the direction of the magnetic field due to the wires at a point located at an equal distance d from each wire?

• A) A
• B) B
• C) C
• D) D
• E) The magnetic field is zero at that point.

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Definitions:

Control Group

A control group is a group in an experiment that does not receive the experimental treatment, allowing researchers to measure the effect of the treatment by comparison.

Extraneous Variables

Factors other than the independent variable that can affect the outcome of an experiment and need to be controlled.

Experimental Group

The group in an experiment that receives the treatment or intervention under study to investigate its effects.

Independent Variables

Variables in an experiment that are manipulated to test their effects on dependent variables.