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Physics

Assertion (A) : The rate of flow of electrons in a direction is called electronic current in that direction.

Reason (R) : The conventional current is in a direction opposite to direction of motion of electrons.

  1. both A and R are true and R is the correct explanation of A
  2. both A and R are true and R is not the correct explanation of A
  3. assertion is false but reason is true
  4. assertion is true but reason is false

Current Electricity

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Answer

both A and R are true and R is the correct explanation of A

Explanation

Assertion (A) is true because electronic current refers to the actual flow of electrons, which move from the negative terminal to the positive terminal of a power source and the rate at which electrons flow defines the magnitude of current.

Reason (R) is true because conventional current is defined as the flow of positive charge, which is taken to be from positive to negative terminal of a cell opposite to the direction of electron flow.

The reason correctly explains the difference between electronic current (actual flow of electrons) and conventional current (assumed flow of positive charge).

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