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An inductor with L = 9.5 H is in a closed circuit with I= 0.45 A (see the diagram).
When the switch is opened, the current goes to zero in At = 0.16 s.
L= 9.5 H
L
I= 0.45 A
At = 0.16 s
I
(a) Express the magnitude of the average induced emf on the inductor, ɛave, in terms of L, I and At.
Eave =
(b) Calculate the numerical value of ɛave in volts.
Eave =

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