You have two inductors that originally store the same amount of en- ergy. Then two things happen: (i) the magnetic field at every point in the first inductor becomes twice as large; and (ii) the magnetic flux density at every point in the second inductor is halved. What is the ratio of the stored energy in the first inductor to that of the second inductor after those two things have happened? (a) 1/4 (b) 1/16 (c) 4 (d) 1 (e) 16
You have two inductors that originally store the same amount of en- ergy. Then two things happen: (i) the magnetic field at every point in the first inductor becomes twice as large; and (ii) the magnetic flux density at every point in the second inductor is halved. What is the ratio of the stored energy in the first inductor to that of the second inductor after those two things have happened? (a) 1/4 (b) 1/16 (c) 4 (d) 1 (e) 16
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter25: Surge, Spike, And Lightning Protection
Section: Chapter Questions
Problem 10RQ: In reference to the load, how are capacitors connected to help prevent voltage spikes and surges?...
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![You have two inductors that originally store the same amount of en-
ergy. Then two things happen: (i) the magnetic field at every point in the first inductor
becomes twice as large; and (ii) the magnetic flux density at every point in the second
inductor is halved. What is the ratio of the stored energy in the first inductor to that
of the second inductor after those two things have happened?
(a) 1/4
(b) 1/16
(c) 4
(d) 1
(e) 16](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F30329fac-f962-4129-8558-e162c15f59d9%2Fe179a1cb-163e-420c-af99-923e995dc47a%2Fsrfmc4_processed.png&w=3840&q=75)
Transcribed Image Text:You have two inductors that originally store the same amount of en-
ergy. Then two things happen: (i) the magnetic field at every point in the first inductor
becomes twice as large; and (ii) the magnetic flux density at every point in the second
inductor is halved. What is the ratio of the stored energy in the first inductor to that
of the second inductor after those two things have happened?
(a) 1/4
(b) 1/16
(c) 4
(d) 1
(e) 16
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