A Helmholtz coil has a pair of loops, each with N turns and radius R. They are placed coaxially at distance R and the same
current I flows through the loops in the same direction. The magnitude of magnetic field at P, midway between the centres A and C, is given by [Refer to figure given below] :
As we learned
Hysteresis Curve -
The graph between B and H is called hysteresis curve
- wherein
Option 1)
Option 2)
Option 3)
Option 4)
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