The Figure Shows a Steady Electric Current Passing Through a Wire

question 938

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:

Independent Variable

In an experiment, it is the variable that is controlled or changed to test its effects on the dependent variable.

Chocolate

A sweet, typically brown food preparation of roasted and ground cacao seeds, often sweetened and consumed as confectionery.

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Substances with no therapeutic effect that are used in clinical trials to compare the effects of actual drugs on patients' health conditions.

Active Ingredients

The components in a substance that are responsible for its therapeutic effects.