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A :The drift velocity of electrons in...

A :The drift velocity of electrons in a conductor is very small still current in a conductor is establised almost instantaneously on closing the switch.
R: Electric field in the condutor sets up with speed of light.

A

If both Assertion & Reason are true and the reason is the correct explanation of the assertion , then mark

B

If both Assertion & Reason are true but the reason is not the correct explanation of the assertion then mark.

C

If Assertion is ture statement but Reason is false , then mark

D

If both Assertion and Reason are false statements then mark.

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