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when current in a circuit flows from negative end to positive end why is it conventionally denoted that current flows from positive end to negative end?

when current in a circuit flows from negative end to positive end why is it conventionally denoted that current flows from positive end to negative end?

Grade:10

1 Answers

Askiitians Expert Soumyajit IIT-Kharagpur
28 Points
12 years ago

Dear Siddharth Mittra,

Current in a CIRCUIT flows from positive to negative whereas WITHIN the cell it flows from negative to posive. Why is it so?Let me give one example. if you are playing with a ball and you want to catch the ball the you or someone else have(has) to throw it up. The cell is like that. The chemical energy creates such a situation so that, within the cell electrons flow from cathode to anode and from anode it can go to cathode again in the reverse path i.e outside the cell. As we consider the current to be in opposite direction that of the electrons and hence it flows like this. 

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Regards,

Askiitians Experts
Soumyajit Das IIT Kharagpur

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