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?

Question:

Options :

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

Answer :

Answer Steps :

step 1:

step 2:

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Four particles each of mass m are placed at the corners of a square of side length l. The radius of gyration of the system about an axis perpendicular to the square and passing through its centre is [EAMCET (Med.) 2000]

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Four particles each of mass m are placed at the corners of a square of side length l. The radius of gyration of the system about an axis perpendicular to the square and passing through its centre is [EAMCET (Med.) 2000]

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