The induced emf is -1409.9 mV
The induced emf in an inductor is defined as the the value of the inductance times the rate of current change.
where;
L is the inductance of the inductor
dI is the change in current
dt is the change in time
For the given inductor:
Induced emf = - 45.5 * (533/17.2)
Induced emf = -1409.9 mV
In conclusion, the induced emf is derived from the product of the inductance rate of change of current.
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