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1. RL Circuit Censider the following circuit, with an ideal battery with an EMF of 6, three resistors, and an inductor. Before t = O, the switch has

for electricity and magnetism class: not sure how to do parts b through f please help Screen Shot 2019-05-03 at 12.26.21 PM.png

Screen Shot 2019-05-03 at 12.26.21 PM.png

1. RL Circuit Censider the following circuit, with an ideal battery with an EMF of 6, three resistors, and an
inductor. Before t = O, the switch has been open for a long time. At t = 0, the switch is closed. S R 2R (a) What are the currents 11,0 and I10 immediately after the switch is closed at t = 0?
(b) What is the rate of change of 12 immediately after the switch is closed at t = 0? (c) What are the currents 11,00 and 12,00 and the energy stored in the inductor a long time
after the switch is closed, i.e. as t —> 00? (d) Apply Kirchhofi’s laws to obtain two differential equations involving I1(t) and I2(t). (e) Let’s guess that both currents are of the form I (t) = 0c, — (Ioo —Io)e’t/T. Substitute these
forms into your differential equations to determine whether this guess is correct and, if so,
the value of 1'. (f) After the switch has remained closed for a very long time, the switch is reopened. What
are the currents 11 and 12 and the power supplied by the inductor immediately after the
switch is reopened?

Top Answer

At t equal to zero an inductor offers infinite resistance to the flow of current so... View the full answer

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1. RL Circuit Consider the following circuit, with an ideal battery with an EMF of 8, three resistors, and an
inductor. Before t = D, the switch has been open for a long time. At t = 0, the switch...

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