Te current in a 800-mh inductor changes with time as i , Physics

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Te current in a 800-mh inductor changes with time as i

The current in a 80.0-mH inductor changes with time as I = 3.00t2 ? 7.00t, where I is in amperes and t is in seconds.

(a) Find the magnitude of the induced emf at t = 1.00 s.
How does the emf of an inductor depend on the current? mV

(b) Find the magnitude of the induced emf at t = 4.00 s.
mV

(c) At what time is the emf zero?

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Physics: Te current in a 800-mh inductor changes with time as i

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Physics: Te current in a 800-mh inductor changes with time as i

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