JEE Main 2026 — Electrostatics Question with Solution
JEE Main 2026 (23 January Shift 1)
Question
Two point charges and are placed at vertex and centre of face of the cube as shown in figure. The electric flux passing through the cube is :
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Using Gauss's law:
Charge is at vertex A of the cube. A vertex is shared by 8 cubes, so the flux contribution from through this cube is .
Charge is at the centre of face CDEF. A face center is shared by 2 cubes, so the flux contribution from through this cube is .
Total flux:
Charge is at vertex A of the cube. A vertex is shared by 8 cubes, so the flux contribution from through this cube is .
Charge is at the centre of face CDEF. A face center is shared by 2 cubes, so the flux contribution from through this cube is .
Total flux:
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This is a previous-year question from JEE Main 2026, covering the Electrostatics chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.