Assertion : The electric bulbs glows immediately when switch is on.
Reason : The drift velocity of electrons in a metallic wire is vary high.

Direction. In the follwing questions, a statement of assertion is followed by a statement of reason. While answering a question, you are required to choose the correct are out of the given four responses and mark it as (A). If both assertion and reason are true and reason is the correct explanation of the assertion, (B) if both assertion and reason are true but reason is not correct explanation of the assertion. (C) if asssertion is true, but reason if false, (D) if both assertion and reason are false Assertion :the electric bulb glows immedicately, when switched on. Reason : The drift velocity of electrons in a metallic wire is very high.

(A): The electric bulbs glows immediately when switch is on. (R): The drift velocity of electrons in a metallic wire is very high.

The question given below consist of an assertion (A) and a reason ( R). Use the following key to choose the appropriate answer to these questions from the codes (a), (b), ( c) and (d) given below: (a) Both A and R are true and R is the correct explanation of A. (b) Both A and R are true but R is NOT the correct explanation of A. (c) A is true but R is false. (d) A is false and R is also false.. Assertion:The electric bulb glows immediately, when switched on. Reason:Drift velocity of electrons in metallic wire is very large.

When an electric bulb glows

The drift velocity of electrons in a wire of radius r is proportional to