Questions
A current carrying loop ABCDA is carrying a current I. O is the centre of the semi circle ADC, and AB = BC = l. Then magnetic induction at o is
detailed solution
Correct option is D
Bo = 2×μoΙ4πl22sin450+μoΙ4l2=2μoΙπl+μoΙ22l=μoΙl 2π+122Talk to our academic expert!
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An electron moves in a circular orbit with a uniform speed v. It produces a magnetic field B at the centre of the circle. The radius of the circle is proportional to
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