Select the right answer for the following: Q2: Select the right answer for the following:1- the equivalent resistance of the circuit given in fig.1 between A and B, is ---.(4)(В) 5(C) 1(D)15AFig.12- A heater takes a current of 8 A from a 230 V source for 12 h. Calculate the energyconsumed in kilowatt hours.(A) 220 kw.h(B) 2.2 kw.h(C) 22 kw.h(D) 2 kw.h3- For the series circuit in Fig. 2. Determine V2 usingKirchhoff's voltage law.(A) 21 V (B) 2.1 VV3 = 15 V(С) -21 V(D) 45 VR3E54 VR2Fig.2R,V, = 18 V4- An alternating voltage has the equation v = 141.4 sin 377t; what are the values of:(i) r.m.s. voltage; (ii) frequency; (iii) the instantaneous voltage when t= 3 ms?(r. m. s. = 90 Vf = 50 Hzvi = 127.8 V(r. m. s. = 10 VA)}f = 50 HzB)vi = 127.8 V(r. m. s. = 90 VC) { f = 60 Hzvi = 127.8 V(r. m. s. = 100 Vf = 60 Hzvi = 127.8 VD)5- For the air-core coil in Fig. 3: Find the inductance.I=25.4mmAir core (4)(A)15.68µH (B) 20 µH (C) 10 µH (D) 1.5 µHd =6.35mmFig.3100 turns

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Q2: Select the right answer for the following: 1- the equivalent resistance of the circuit given in fig.1 between A and B, is ---. (4) (В) 5 (C) 1 (D)15 A Fig.1 2- A heater takes a current of 8 A from a 230 V source for 12 h. Calculate the energy consumed in kilowatt hours. (A) 220 kw.h (B) 2.2 kw.h (C) 22 kw.h (D) 2 kw.h 3- For the series circuit in Fig. 2. Determine V2 using Kirchhoff's voltage law. (A) 21 V (B) 2.1 V V3 = 15 V (C) -21 V (D) 45 V R3 E 54 V R2 Fig.2 R, V = 18 V 4- An alternating voltage has the equation v = 141.4 sin 377t; what are the values of: (i) r.m.s. voltage; (ii) frequency; (iii) the instantaneous voltage when t= 3 ms? (r. m. s. = 90 V f = 50 Hz vi = 127.8 V (r. m. s. = 10 V A) f = 50 Hz B) vi = 127.8 V (r. m. s. = 90 V C) { f = 60 Hz vi = 127.8 V (r. m. s. = 100 V f = 60 Hz vi = 127.8 D) 5- For the air-core coil in Fig. 3: Find the inductance. I=25.4mm Air core (4) (A)15.68µH (B) 20 µH (C) 10 µH (D) 1.5 µH d =6.35mm Fig.3 100 turns

Q2: Select the right answer for the following: 1- the equivalent resistance of the circuit given in fig.1 between A and B, is ---. (4) (В) 5 (C) 1 (D)15 A Fig.1 2- A heater takes a current of 8 A from a 230 V source for 12 h. Calculate the energy consumed in kilowatt hours. (A) 220 kw.h (B) 2.2 kw.h (C) 22 kw.h (D) 2 kw.h 3- For the series circuit in Fig. 2. Determine V2 using Kirchhoff's voltage law. (A) 21 V (B) 2.1 V V3 = 15 V (C) -21 V (D) 45 V R3 E 54 V R2 Fig.2 R, V = 18 V 4- An alternating voltage has the equation v = 141.4 sin 377t; what are the values of: (i) r.m.s. voltage; (ii) frequency; (iii) the instantaneous voltage when t= 3 ms? (r. m. s. = 90 V f = 50 Hz vi = 127.8 V (r. m. s. = 10 V A) f = 50 Hz B) vi = 127.8 V (r. m. s. = 90 V C) { f = 60 Hz vi = 127.8 V (r. m. s. = 100 V f = 60 Hz vi = 127.8 D) 5- For the air-core coil in Fig. 3: Find the inductance. I=25.4mm Air core (4) (A)15.68µH (B) 20 µH (C) 10 µH (D) 1.5 µH d =6.35mm Fig.3 100 turns

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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