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Saturday, 31 October

JEE Main 2024 · PhysicsNumerical answerNumerical valueMediumCalculation

JEE Main 6 April 2024, Shift 1, Physics Q59

Question 59 of 90 in this shift, Physics question 29 of 30, Section B.

Three infinitely long charged thin sheets are placed as shown in figure. The magnitude of electric field at the point PP is xσϵo\frac{x\sigma}{\epsilon_o}. The value of xx is __________ (all quantities are measured in SI units).

The figure, in words

Three parallel vertical sheets perpendicular to the X-axis: charge density -sigma at X = -a, -2sigma at X = a, and sigma at X = 3a; Y axis through origin O, Z axis drawn obliquely; point P lies between the X = a and X = 3a sheets, above the X-axis.

Official answer

2

NTA final key.

Same idea in other shifts

Asked 2× in all
  1. 27 Jun 2022, Shift 1 · Q44A force of 10 N acts on a charged particle placed between two plates of a charged capacitor. If one plate of capacitor is removed, then…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. This question needs a figure we do not reproduce; it is described in words above. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.