Current & Current Density AR & Other Type MCQs Current Electricity Physics NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):

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

In the light of the above statements choose the correct answer from the options given below:

1.	Both (A) and (R) are true and (R) is the correct explanation of (A).
2.	Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.	(A) is true but (R) is false.
4.	Both (A) and (R) are false.

Subtopic: Current & Current Density |

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The electric current through a wire varies with time as shown.

The total charge flown across any cross-section of the wire in the time interval (\(0-T\)) is:

1.	\( {i}_{0}T\)	2.	\( \dfrac{{i}_{0}T}{2}\)
3.	\( \dfrac{{i}_{0}T}{3}\)	4.	\( \dfrac{{i}_{0}T}{\sqrt{2}}\)

Subtopic: Current & Current Density |

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