JEE Main 2026 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 6 April 2026, Shift 2, Physics Q38

Question 38 of 75 in this shift, Physics question 13 of 25, Section A.

A current of 30 A each flows in opposite directions in two conducting wires, placed parallel to each other at a distance of 8 cm. The magnetic field at the mid point between the two wires is __________

\mu

T. (

\frac{\mu_0}{4\pi}=10^{-7}

N/A

^2

)

(1)30
(2)300Official answer
(3)150
(4)0.0

Official answer

Option 2

NTA final key.

Chapter: Moving Charges and Magnetism
Topic: Biot-Savart Law
Idea tested: Superposition of magnetic fields

Same idea in other shifts

Asked 3× in all

2 Apr 2026, Shift 1 · Q39Two identical long current carrying wires are bent into the shapes shown in the following figures. If the magnitude of magnetic fields at…MediumSingle correctHas a figure
6 Apr 2023, Shift 1 · Q57Two identical circular wires of radius 20 cm and carrying current $\sqrt2$ A are placed in perpendicular planes as shown in figure. The…MediumNumerical valueHas a figure

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 42 of the 174 JEE Main shifts held from 2017 to 2026.