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# Expression of magnetic ﬁeld of a coil as a function of electric current I at the centre, on the same plane as the coil (z = 0). help.?

calculate the slope of the function for a coil N = 100 turns, and radius R = 0.15 m.

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- VamanLv 71 month ago
Magnetic field = NI/r= 100*I/0.15=100*100/15 I= 2000/3 I, Here I is the current.

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