Questions
The magnetic field due to a current canying circular loop of radius 3 cm at a point on the axis at a distance of 4 cm from the centre is 54 μT. What will be its value at the centre of the loop?
detailed solution
Correct option is A
BcenterBaxis = 1+x2r23/2 ⇒ Bcenter54 = 1+4323/2 = 12527Bcenter = 250 μTTalk to our academic expert!
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