Question

2:03
Vol 46
Padmja Ahire
Just now
solid cylinder of radius R came
current such that the current de
aries as J = Jo ( 1 - 3
Find B
it rap from axis.
2
ولوله (
1)
is 3 e Jo R
(
- MoJo R
6
Ev) 240 Jo R
3
R
o​

Answer 1

Answer:

B/A = A/ (A+B)

→Assume, B = Ax (B is some percent of A. So consider that some percent as ‘x’.)

→Ax/A = A/(A+Ax)

→X=1/(1+x)

→X^2+ X -1 = 0

→Solving the above equation, we get 0.62(consider only positive terms),

So the answer is 62%.