Question

correct Answer....?????

Answer 1

B=mu/4*pie *i/(r^2+x^2)

in case mentioned in ques x=0

while in case it is asked x=5

r=12 for both

so

B1/B2=144+25/144

B2=0.5*10^-4*144/169

B2=0.43*10^-4 T

Answer 2

Answer:

the answer is very useful

Explanation: