e current in a 20.0-mH inductor changes with time as i= 3.002? - 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. 40 mv (b) Find the magnitude of the induced emf at t = 4.00 s. -3200 |x The magnitude must be a non-negative quantity. mv (c) At what time is the emf zero? 1.33
e current in a 20.0-mH inductor changes with time as i= 3.002? - 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. 40 mv (b) Find the magnitude of the induced emf at t = 4.00 s. -3200 |x The magnitude must be a non-negative quantity. mv (c) At what time is the emf zero? 1.33
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter23: Faraday’s Law And Inductance
Section: Chapter Questions
Problem 35P
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![The current in a 20.0-mH inductor changes with time as i = 3.00t2 - 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.
40
mv
(b) Find the magnitude of the induced emf at t = 4.00 s.
-3200
The magnitude must be a non-negative quantity. mv
(c) At what time is the emf zero?
1.33](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fadd74e43-eb80-4f9f-aeac-71bff980394a%2F3adc1442-3b6a-453a-9a5b-b880733af3b0%2Fxpszdk9_processed.png&w=3840&q=75)
Transcribed Image Text:The current in a 20.0-mH inductor changes with time as i = 3.00t2 - 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.
40
mv
(b) Find the magnitude of the induced emf at t = 4.00 s.
-3200
The magnitude must be a non-negative quantity. mv
(c) At what time is the emf zero?
1.33
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