An infinitely long conductor PQR is bent to form a right angle as shown in figure. A…
Physics · JEE Advanced · NTA Exams — Magnetic Effects of Current and Magnetism
An infinitely long conductor PQR is bent to form a right angle as shown in figure. A current I flows through PQR. The magnetic field due to this current at the point M is H1. Now, another infinitely long straight conductor QS
is connected at Q so that current is I/2 in QR as well as in QS, the current in PQ remaining unchanged. The magnetic field at M is now H2. The ratio H1/H2 is given by
is connected at Q so that current is I/2 in QR as well as in QS, the current in PQ remaining unchanged. The magnetic field at M is now H2. The ratio H1/H2 is given by
- 1/2
- 1
- 2/3
- 2
Answer
(C) 2/3
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