Home › Bihar Board Class 12 (Science) › Physics › Electric Charges and Fields › A charge sits at the centre of a cube. Flux thro…
A charge sits at the centre of a cube. Flux through one face is
Aq/ε0
Bq/(4ε0)
Cq/(8ε0)
Dq/(6ε0)
Answer & Solution
Correct answer: D. q/(6ε0)
Total flux q/ε0 divides equally among the six identical faces by symmetry, giving q/(6ε0) each.
Related questions
Outside a charged shell, the field acts as if charge wereThe field of an infinite uniformly charged plane sheet depends on distance how?A long wire has uniform linear charge density. Its field varies with distance r asA dipole sits inside a closed surface. The net flux through the surface isA charge of 8.854 µC is inside a closed surface. What is the net flux?A dipole of moment 2 × 10^-8 C m lies across a 10^4 N/C field. Torque?The torque on a dipole of moment p in field E is largest when p isFar from a dipole, its field falls with distance r as