# ET115 Final Exam Grantham

Jun 18th, 2016
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Final Exal ET115 Grantham

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GranthamET115April 19, 2016Show work for full credit. Include MultiSIM screenshots where indicated.1. Consider the parallel inductive reactive circuit below. Calculate the following: (Expressall answers in magnitude/phase angle form)a. Zeq = 61.91 58.52b.c.d.e.f.g.h.IT = 0.323A-58.520XL2 = 565.2 90XL1 = 376.8 90IR1 = 80mAIR2 = 133mAIL1= 0.0531900IL2 = 0.0354900Parallel Inductive Circuit:Calculate the following: (Express all answers in magnitude/phase angle form)The equivalent resistance and reactance is calculated using the following formulas: =11111+ + +1 2 3 =11111+ + +1 2 3 =XL = 2fL IT = The phase angle = tan 1 = L1 = 60mH,XL1 = jwL= j(6.28 * 1 kHz * 60mH)= j6.28 *(1*103) * (60*10-3)= j376.8376.8 tan1502.40= 900The reactance due to inductance L1 is therefore 376.8 90L2 = 90mH, XL2 = jwL=j(6.28 * 1 kHz * 90mH)= j6.28 * (1*103) * (150*10-3)= j565.2565.2 tan19420= 900The reactance due to inductance L2 is therefore 565

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