An infinitely long conductor PQR is bent to form a right angle as shown. A current I flows through PQR. The magnetic field due to this current carrying conductor at the point M is H1.Now another infinitely long straight conductor QS is connected at Q so that current is I/2 in as well as in QS, the current in PA remaining unchanged. The magnetic field at M is now H2.The ratio H1/H2 is? - VgyanHub

Question:

An infinitely long conductor PQR is bent to form a right angle as shown. A current I flows through PQR. The magnetic field due to this current carrying conductor at the point M is H1.Now another infinitely long straight conductor QS is connected at Q so that current is I/2 in as well as in QS, the current in PA remaining unchanged. The magnetic field at M is now H2.The ratio H1/H2 is?

Options :

(a) 1/2
(b) 1
(c) 2/3
(d) 2

Answer :

(c) 2/3

Answer Steps :

step 1:

step 2:

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