The Length of a Certain Wire Is Kept Same While

question 126

Multiple Choice

The length of a certain wire is kept same while its radius is doubled.What is the new resistance 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 is reduced by a factor of 8.

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Definitions:

Dual Code Hypothesis

A theory suggesting that visual and verbal information are processed and stored in the brain through two distinct systems.

Verbal Code

A symbolic system used in the representation and communication of messages that can be spoken, written, or signed.

Visual Image

A visual image is a mental representation or picture created by the brain that can be recalled or imagined without the presence of the physical object.

Perceptual Equivalence

The phenomenon where different stimuli are perceived as equivalent or similar, based on subjective or perceptual criteria.