The current in a 20.0-mH inductor changes with time as /= 2.00t²-8.00t, where / is in amperes and it is in seconds. (a) Find the magnitude of the induced emf at t = 1.00 s. -80 x 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. 160 mv (c) At what time is the emf zero? x Is the current through an inductor zero when the emf is zero? s Need Help? Watch It

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
icon
Related questions
Question

Please answer this with in 30mins ! I will uvote ! 

The current in a 20.0-mH inductor changes with time as/= 2.00t²-8.00t, where / is in amperes and it is in seconds.
(a) Find the magnitude of the induced emf at t = 1.00 s.
-80
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.
160
mv
(c) At what time is the emf zero?
x
Is the current through an inductor zero when the emf is zero? s
Need Help? Watch It
Transcribed Image Text:The current in a 20.0-mH inductor changes with time as/= 2.00t²-8.00t, where / is in amperes and it is in seconds. (a) Find the magnitude of the induced emf at t = 1.00 s. -80 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. 160 mv (c) At what time is the emf zero? x Is the current through an inductor zero when the emf is zero? s Need Help? Watch It
Expert Solution
steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
Knowledge Booster
Electromagnets
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
College Physics
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
University Physics (14th Edition)
University Physics (14th Edition)
Physics
ISBN:
9780133969290
Author:
Hugh D. Young, Roger A. Freedman
Publisher:
PEARSON
Introduction To Quantum Mechanics
Introduction To Quantum Mechanics
Physics
ISBN:
9781107189638
Author:
Griffiths, David J., Schroeter, Darrell F.
Publisher:
Cambridge University Press
Physics for Scientists and Engineers
Physics for Scientists and Engineers
Physics
ISBN:
9781337553278
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:
9780321820464
Author:
Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:
Addison-Wesley
College Physics: A Strategic Approach (4th Editio…
College Physics: A Strategic Approach (4th Editio…
Physics
ISBN:
9780134609034
Author:
Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:
PEARSON