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Category > Applied Sciences Posted 06 May 2017 My Price 7.00

Use the defining law

4.28 Use the defining law for an inductor to find the current iL(t) corresponding to the voltage shown in Figure P4.28. Sketch your result.

 

Figure P4.24

 

L
 

v (t) = 0.5 - 0.5e-t/0.02

 

 

 

4.25      In the circuit shown in Figure P4.25, let

⎧ 0                    for −∞ t 0

 

i(t)=
 

⎪⎨ t                     for 0 ≤ t 1s

 

−(t − 2)      for1s ≤ t 2s

 

⎪
 

⎩ 0                    for2s ≤ t ∞

 

Find the energy stored in the inductor for all time.

 

vL(t)

 

 

 

 

 

 

0

0.1

0.2      0.3

v (t) = 0.5-0.5e (t-0.3)/0.02

 

L
 

0.4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

t (s)

 

 

 

 

 

 

+

 

vL(t)

_

 

 

 

 

 

iL(t) 1 H

 

 

 

1 Ù

 

 

 

 

i(t)

 

 

 

 

 

Figure P4.25

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Status NEW Posted 06 May 2017 10:05 AM My Price 7.00

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