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Question
A 10mh inductor has a current of I=5 Cos(2000t)A. What is the voltage VL across it
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Answer
vl=L*di/dt=10*10^(-3) * (-5)*2000*sen (2000t)
vl=10*(-5)*2*sen (2000t)=(-100)*sen(2000t)
vl=(-100)*sen(2000t)
