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 boundto the nucleus of an atom. Negative charges or electrons are comparatively free to move around.