Home Physics Current Electricity NCERT Examplar Which of the following characteristics of el…
Physics Current Electricity NCERT Examplar MCQ (Single Correct)

Which of the following characteristics of electrons determines the current in a conductor?

A
Drift velocity alone
B
Thermal velocity alone
C
Both drift velocity and thermal velocity
D
Neither drift nor thermal velocity

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Text Solution

Verified by Experts
The correct answer is:
A

The relationship between current and drift speed is given by I = ne Avd
Here, I is the current and v d is the drift velocity.
So,
Thus, only drift velocity determines the current in a conductor.

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