Three Coplanar Parallel Straight Wires Carry Equal Currents I as Shown

question 14

Multiple Choice

Three coplanar parallel straight wires carry equal currents I as shown below. The current in the outer wires is directed to the right, and that in the middle wire is directed to the left. Each pair of wires is a distance a apart. The direction of the magnetic force on the middle wire

• A) is up out of the plane of the wires.
• B) is down into the plane of the wires.
• C) is in the plane of the wires, directed upwards.
• D) is in the plane of the wires, directed downwards
• E) cannot be defined, because there is no magnetic force on the middle wire.

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Definitions:

Human Behavior

The range of actions and mannerisms exhibited by humans, influenced by culture, attitudes, emotions, values, and genetics.

Behaviorists

Psychologists who study and theorize that all behaviors are acquired through conditioning and interaction with the environment.

Conditioning

A psychological process through which behavior is learned by associating an action with a particular outcome.

Reinforcement Effectiveness

The degree to which a reinforcement (either positive or negative) successfully influences future behavior in the desired direction.