6:06 oo T-Mobile webassign net The current i through a 5.6 H inductor varies wit

Question

6:06 oo T-Mobile webassign net The current i through a 5.6 H inductor varies with time t as shown by the graph below. where the vertical axis scale is set by i 8.0 A and the horizontal axis scale is set by ts 6.0 ms. The inductor has a resistance of 53 Find the magnitude of the induced emf during the following time intervals. (Ignore the behavior at the ends of the intervals.) (a) 0 to 2 ms x V (b) 2 to 5 ms (c) 5 to 6 ms Materials Att :0, a battery is connected to a series arrangement of a resistor and an inductor. At what multiple of the inductive time constant will the energy stored in the inductor's magnetic field be 0.350 its steady-state value? TL Materials A toroidal inductor with an inductance of 93.0 mH encloses a volume of o.0200 m3. If the average energy density in the toroid is 9o.o ym3, what is the current through the inductor? Materials

Explanation / Answer

8. a)E =Ldi/dt =5.6*(7/2*10-3)=19.6*103 volt

b) E =Ldi/dt =5.6*(2/3*10-3) =3.74*103 volt

c) E=Ldi/dt =5.6*(5/1*10-3)=28*103 volt

9. time constant = L/R =5.6/53=0.10566 s

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