The Figure Shows a Steady Electric Current Passing Through a Wire

question 19

Multiple Choice

The figure shows a steady electric current passing through a wire with a narrow region. What happens to the drift velocity of the moving charges as they go from region A to region B and then to region C?

• A) The drift velocity decreases from A to B and increases from B to C.
• B) The drift velocity increases all the time.
• C) The drift velocity remains constant.
• D) The drift velocity decreases all the time.
• E) The drift velocity increases from A to B and decreases from B to C.

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Definitions:

Working Memory Capacity

The amount of information that an individual can hold in mind and manipulate for a short period.

Executive Control System

The set of cognitive processes and mental skills that help an individual plan, monitor, and successfully execute their goals.

Cognitive Abilities

Mental capabilities including reasoning, problem solving, planning, abstract thinking, complex idea comprehension, learning quickly, and learning from experience.

Working Memory Capacity

Refers to the amount of information that can be held in working memory at one time, which plays a critical role in reasoning, decision-making, and behavior.