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why the direction assigned to the current by convention is opposite to the direction of flow of electron?

why the direction assigned to the current by convention is opposite to the direction of flow of electron?

Grade:12

1 Answers

SAGAR SINGH - IIT DELHI
879 Points
10 years ago

Dear ashish,

When analyzing electrical circuits, the actual direction of current through a specific circuit element is usually unknown. Consequently, each circuit element is assigned a current variable with an arbitrarily chosen reference direction. When the circuit is solved, the circuit element currents may have positive or negative values. A negative value means that the actual direction of current through that circuit element is opposite that of the chosen reference direction. In electronic circuits the reference current directions are usually chosen so that all currents flow toward ground. This often matches conventional current direction, because in many circuits the power supply 

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Sagar Singh

B.Tech IIT Delhi

voltage is positive with respect to ground.

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