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Question

Which of the following particle of an atom constitutes the electric current?

A
Nucleus
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B
Entire atom acting as a unit
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C
Positively charged particles
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D
Negatively charged particles
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Solution

The correct option is D Negatively charged particles
The flow of negatively charged particles (electrons) constitutes the electric current in a metallic conductor.
Positive charges or protons are bound to the nucleus of an atom. Negative charges or electrons are comparatively free to move around.

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