The Length of a Certain Wire Is Kept Same While

question 149

Multiple Choice

The length of a certain wire is kept same while its radius is doubled.What is the new resistivity of this wire?

• A)It is increased by a factor of 2.
• B)It is increased by a factor of 4.
• C)It is reduced by a factor of 2.
• D)It is reduced by a factor of 4.
• E)It does not change.

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Definitions:

Mowrer

A psychologist known for his two-factor theory of avoidance learning, which combines classical and operant conditioning theories to explain how anxiety and phobias are learned and maintained.

First Stage Avoidance

First stage avoidance in classical conditioning is where the organism learns to avoid an aversive stimulus by responding appropriately to a warning signal.

Fear

Conditioned response to stimuli associated with painful events; motivates avoidance of aversive events.

Pain

An unpleasant sensory and emotional experience associated with actual or potential tissue damage.