00:01
Hi, the question says that a sphere s1 of radius r1 encloses a net charge q, that means q charge is distributed over the surface sphere s1.
00:13
And another concentric sphere s2, that is of radius r2 greater than n1, that encloses the charge for q.
00:22
We have to find out the ratio of the electric flux through s1 and s2.
00:28
Okay, so sphere s1 encloses charge q.
00:34
See according to the question it says it will enclose the net charge q and having radius r1 and s2 the another concentric sphere is enclosing charge 4 q with radius r2 where r2 greater than r1.
00:53
Suppose this is the center of these two sphere.
00:57
This is s1.
00:58
Sphere and as s2 is concentric, so we will consider this is the second sphere.
01:05
Suppose this is s2.
01:07
So now see if this is radius r1, then it will be radius r2.
01:14
S1 encloses charge q, s2 encloses charge 4q.
01:21
So now we have to find out the ratio of the electric fluxes...