COMEDK2015PhysicsMagnetic Effects of Current

The graph showing the variation of the magnetic field strength B with distance r from a long current carrying conductor is

Correct answer

Step-by-step solution

Magnetic field strength B due to long straight current carrying conductor at a distance r is given as aligned B &= ₀ 2 I r & B 1 r aligned Hence, correct variation of B with r is shown in the graph given in option (c).

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