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Date Posted: 7/23/2008 12:11:43 AM  Status: Live
great rating for general physics question
Course Textbook Chapter Problem
General Physics N/A N/A N/A
Question Details:
The figure shows the magnetic flux through a single loop coil as a function of time. If 0 = 5 multiplied by 10-2 Wb, calculate the induced emf in the coil at the following times.

(a) t = 0.05 s
V
(b) t = 0.15 s
V
(c) t = 0.5 s
V

Answers:

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Date Posted: 7/23/2008 2:46:43 AM  Status: Live
Asker's Rating: This answer has not been rated. If you asked this question, then please login.   
Response:
(a)The induced e.m.f in the coil at t = 0.05 s is
e = - (dφo/dt)
or e = - [(5 * 10-2)/(0.05)]
or e = 1V
(b)When t = 0.15 s,then
e = - [(5 * 10-2)/(0.15)]
or e = 0.33V
(c)When t = 0.5 s,then
e = - [(5 * 10-2)/(0.5)]
or e = 0.1V.

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Date Posted: 7/24/2008 9:15:38 PM  Status: Live
Asker's Rating: N/A-Posted by Person Asking Question   
Response:
For part B the answer was 0 according to the computer and for part C it keeps saying i have the wrong answer. Can you please advise?  i gave you a lifesaver rating.  tahnk you.



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