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Class 12 Physics (India)

Course: Class 12 Physics (India) > Unit 3

Lesson 1: Drift of electrons & the origin of resistance

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Motion of electrons within a conductor

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A conductor which is connected to a battery is shown below. The circles within the conductor represent the free electrons.

Choose the option that best describes the motion of free electrons through the cross section start text, Y, end text within the conductor.

(Choice A)
All electrons move from right to left in a straight line through start text, Y, end text.
(Choice B)
All electrons move from left to right in a straight line through start text, Y, end text.
(Choice C)
More electrons pass through start text, Y, end text from the right side than the left side.
(Choice D)
More electrons pass through start text, Y, end text from the left side than the right side.