JEE Main 2023 · PhysicsMultiple choiceSingle correctEasyConceptual

JEE Main 10 April 2023, Shift 2, Physics Q50

Question 50 of 90 in this shift, Physics question 20 of 30, Section A.

In a metallic conductor, under the effect of applied electric field, the free electrons of the conductor

(1)drift from higher potential to lower potential.
(2)move in the straight line paths in the same direction
(3)move with the uniform velocity throughout from lower potential to higher potential
(4)move in the curved paths from lower potential to higher potentialOfficial answer

Official answer

Option 4

NTA final key.

Chapter: Current Electricity
Topic: Ohm's Law and Resistance
Idea tested: Drift Velocity and Current

Same idea in other shifts

Asked 5× in all

8 Apr 2023, Shift 1 · Q59A current of $2\ \mathrm{A}$ flows through a wire of cross-sectional area $25.0\ \mathrm{mm^2}$ . The number of free electrons in a cubic…EasyNumerical value
8 Apr 2023, Shift 2 · Q60The number density of free electrons in copper is nearly $8 \times 10^{28}$ m $^{-3}$ . A copper wire has its area of cross section =…EasyNumerical value
27 Jul 2022, Shift 2 · Q41(A) The drift velocity of electrons decreases with the increase in the temperature of conductor. (B) The drift velocity is inversely…MediumOther
17 Mar 2021, Shift 1 · Q5A current of 10 A exists in a wire of crosssectional area of 5 mm $^2$ with a drift velocity of $2\times10^{-3}$ ms $^{-1}$ . The number of…MediumSingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.