Magnetic field due to a toroid inside it is [where n = no of turns per unit length]
Let the radius of each turn be R and total no of turns is N.
Given:
i = 1.5A
induced e.m.f =E = 12.3 mV = 0.0123 V
The flux through each turn is ------(i)
Total flux =
e.m.f induced = -----(ii)
Dividing the equations (i) and (ii):
As the last turn is not complete, so we will take number of turns as 205. [answer]
Exercise 30.8 - Enhanced - with Feedback When the current in a toroidal solenoid is changing...
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