Question
Physics Question on Electric charges and fields
A charge Q µc is placed at the centre of cube, the flux coming out from any surfaces will be : -
A
6ϵ0Q×10−6
B
6ϵ0Q×10−3
C
2ϵ0Q
D
8ϵ0Q
Answer
6ϵ0Q×10−6
Explanation
Solution
The correct option is (A): 6ϵ0Q×10−6
flux coming out =ϵ0Qenclosed.
E.ds=ϵ0Q×10−6(guass law)
=flux by one of the side = 6ϵ0Q×10−6
= 6ϵ0Q×10−6