| ASSERTION: The average thermal velocity of the electrons in a conductor is zero. |
| REASON: Directions of motion of electrons are randomly oriented. |
A) If both assertion and reason are true and reason is the correct explanation of assertion.
B) If both assertion and reason are true and reason is not the correct explanation of assertion.
C) If assertion is true but reason is false.
D) If both assertion and reason are false.
E) If assertion is false but reason is true.
Correct Answer: A
Solution :
In normal conductor the directions of electrons are randomly oriented such that the total sum of their velocities is equal to zero.
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