Electrostatics | JEE Main 2025 Solution

JEE MAIN 2025

29-01-2025 SHIFT-2

Question

A point charge causes an electric flux of $-2 \times 10^{4} \mathrm{Nm}^{2} \mathrm{C}^{-1}$ to pass through a spherical Gaussian surface of 8.0 cm radius, centred on the charge. The value of the point charge is : (Given $\epsilon_{0}=8.85 \times 10^{-12} \mathrm{C}^{2} \mathrm{~N}^{-1} \mathrm{~m}^{-2}$ )

Select the correct option:

$-17.7 \times 10^{-8} \mathrm{C}$

$15.7 \times 10^{-8} \mathrm{C}$

$-15.7 \times 10^{-8} \mathrm{C}$

$17.7 \times 10^{-8} \mathrm{C}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution