A thin wire is bent in the form of a semi circular ring of radius `R=0.9m` carries a current `I=1amp
Channel: Doubtnut
Date: 2020-02-17

A thin wire is bent in the form of a semi circular ring of radius `R=0.9m` carries a current `I=1amp` . The magnetic induction at a point `P` as shown in the fig. is given by `nX10^(-7)` Tesla. Find the value of `n.[ln(sqrt(2)+1)=0.9]`