The magnetic flux through a coil having a single turn is varying according to the relation: ɸ = (25t3 + 10t2 + 5t – 5) Wb. Determine the impedance of the coil If the induced current through the coil is 10 A at t = 1 sec?
1
50 Ω
2
10 Ω
3
100 Ω
4
More than one of the above
5
None of the above