Question
In a cuboid of dimension 2 ~L 2 ~L L , a charge q is placed at the centre of the surface ' S ' having area of 4 ~L ^2. The flux through the opposite surface to ' S ' is given by
BITSAT
Physics
Electrostatics
2023
BITSAT 2023 (Memory Based Paper 2)
BITSAT Physics Question (2023) — Solution
Options
- A. q 12 _0
- B. q 3 _0
- C. q 2 _0
- D. q 6 _0
Answer
D. q 6 _0
Step-by-step solution
After placing similar cubic at the bottom, we get cube of side 2 ~L having change q at its centre. From the Gauss's law electric flux through whole Flux passing through shaded face = q / _0 6 = q 6 _0
Related: Physics — Electrostatics · All PYQ Banks