The current in a 70.0 - mH inductor changes - with time asi = 4.00t2 8.00t, where i is in amperes and t is in seconds. (a) Find the magnitude of the induced emf at t = = 1.00 s. mV (b) Find the magnitude of the induced emf at t = 4.00 s. mV (c) At what time is the emf zero?
The current in a 70.0 - mH inductor changes - with time asi = 4.00t2 8.00t, where i is in amperes and t is in seconds. (a) Find the magnitude of the induced emf at t = = 1.00 s. 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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![The current in a 70.0 - mH inductor changes
with time as i = 4.00t2 - 8.00t, where i is in
amperes and t is in seconds. (a) Find the
magnitude of the induced emf at t = 1.00 s. mV
(b) Find the magnitude of the induced emf at t
= 4.00 s. mV (c) At what time is the emf zero?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3118682a-e2dd-44e8-8ab5-265d330d7e79%2Fca491b87-989f-4584-bce6-6e91c190005b%2Fip0gr4r_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The current in a 70.0 - mH inductor changes
with time as i = 4.00t2 - 8.00t, where i is in
amperes and t is in seconds. (a) Find the
magnitude of the induced emf at t = 1.00 s. 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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