Nine Identical Wires, Each of Diameter D and Length L

question 16

Multiple Choice

Nine identical wires, each of diameter d and length L, are connected in series. The combination has the same resistance as a single similar wire of length L but whose diameter is:

• A) 3d
• B) 9d
• C) d/3
• D) d/9
• E) d/81

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Definitions:

Language Development

The process by which children and adults acquire and improve their ability to perceive, comprehend, and produce language.

Secondary Reinforcer

A stimulus that gains its reinforcing properties through association with primary reinforcers, such as praise, money, or social approval.

Primary Reinforcer

A stimulus that satisfies a basic need or instinct and is inherently rewarding, such as food or water.

Illegal Drugs

Substances whose production, sale, or use is prohibited by law due to their potential for abuse or harm.