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Two long parallel wires are at a distanc...

Two long parallel wires are at a distance 2d apart. They carry steady equal current flowing out of the plane of the paper as shown. The variation of the magnetic field along the line xx' is given by :

A

B

C

D

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The correct Answer is:
B
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AAKASH SERIES-APPENDICES ( REVISION EXERCISE )-REVISION EXERCISE (MOVING CHANGES & MEGNETISM)
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  16. A straight rod of mass m and lenth L is suspended from the identical s...

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  18. In the circuit diagrams (A,B,C and D) shown below, R is a high resista...

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  19. To find the resistance of a galvanometer by the half deflection method...

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  20. Deflection of galvanometer in the circuit is 71 divisions. A shunt of...

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