In the given figure, a battery of emf E is connected across a conductor {PQ} of length and different area of cross-sections having radii {r}_{1} and {r}_{2}\({r}_{2} [27 Jul 2021 Shift 1] l' and different area of cross-sections having radii {r}_{1} and {r}_{2}\({r}_{2} [27 Jul 2021 Shift 1]

Correct Answer is : Drift velocity of electron increases.

Drift velocity of electron increases.

JEE Main 27 July 2021 Shift 1 Solved Paper

Section: Physics

Question : 1 of 90

Marks: +1, -0

In the given figure, a battery of emf E is connected across a conductor PQ of length ′l′ and different area of cross-sections having radii r1 and r2(r2<r1).Choose the correct option as one moves from P to Q :

[27 Jul 2021 Shift 1]

Drift velocity of electron increases.
Electric field decreases.
Electron current decreases.
All of these

Validate

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