A) \[\frac{{{\mu }_{0}}}{2\pi }\]
B) \[\frac{{{\mu }_{0}}}{4\pi }\]
C) \[\frac{{{\mu }_{0}}}{8\pi }\]
D) zero
Correct Answer: D
Solution :
Magnetic field B at a point inside the cylinder carrying current is directly; proportional to distance r of a point from the axis of cylinder r = 0, so B = 0
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