circuits, pleaseeeee solve questionnn 8 The switch in Fig. 1 has been closed for long time. It opens at t=0. Please refer to the circuit ofFig. 1 for the following questions (Q1, and Q2)Q1) The time constant t can be found as:a) 6.67 s b) 0.3 sc) 10 sQ2) The current i(t) at t- Im s is:a) 2.02 A b) 6 Ac) 4.02 Aa) 1.23 cos(10t +30°) Vd) 2.25 cos(10t-53.6%) Vd) 0.1 s e) 0.15 sFig. 1Refer to the circuit of Fig. 2 for the following 3 questions (Q3, Q4 and Q5)Q3) By using superposition technique, the contribution of the 2cos10t voltage source to the value ofvi(t) is:a) 12.5cos(500t - 0.107°)d) 12.5 cos(500t + 89.9°)d) 5.98 A e) 4 AQ5) The value of the inductance of the j2 02 impedance is:a) 0.2 H b) 10 Hc) 20 H d)1.6 He) 16 H2cos101 VQ7) The current in(t) of Fig. 4 can be found as (mA):2002 -4.0wwwHEb) 1.23 cos(10t-30%) Ve) 1.79 cos(10t-26.57°) VQ4) By applying KCL to the node v/(t), the value of the voltage labeled vi(t) is (V):a) 2.86 cos(10t +77.9°)b) 2.86 cos(10t-77.9°)c) 4.1 cos(10t +62.3°)d) 4.1 cos(10t-62.3°)e) 3.92 cos(10t +77.9°)f) 3.92 cos(10t -77.9%)Q6) Referring to the circuit of Fig. 3, Zen can be determined as:a) 22+j6 2 b) 18+j62 c) 22-j62 d) 18-j62 e) -18+j6paa)-823.5-j294.1d)-751.3+j457.75525 cos 10rVb) 12.5cos(500t+0.107°)e) 12.5 cos(500t + 0.205°)10.0220:2c) 2.25 cos(10t +53.6%) V1.79 cos(10t+26.57°) V15021=0Q9) The complex power absorbed by voltage source is (VA)b)-751.3-j457. c)-823.5+j294.1e) 751.3-j457.7Fig. 2Fig. 3Refer to the circuit of Fig. 5 for the following 2 questions (Q8, and Q9)Q8) The current through the-j10 2 can be found as (Arms)a) 8.75/19.65*b) 8.752-19.65*c) 10.25290*d) 10.25Z-90°e) 202-53.26*f) 20253.261.5 Hmtacos5001 Vc) 12.5cos(500t - 89.9°)f) 12.5 cos(500t - 0.205°)100/2100/0 V ms10520.21Fig. 446Fig. 50.3 mH720 (2m2002www10

The required parameters can be calculated by using mesh analysis. The mesh equation can be obtained…

Answered: Q8) The current through the-j10 2 can…

Q8) The current through the-j10 2 can be found as (Arms) 8.752-19.65* c) 10.25290* f) 20253.26 cource is (VA) a) 8.75/19.65* d) 10.25Z-90* b) e) 202-53.26* Jeg 10

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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