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Hi , need help on Q4.2 ,4.3 , Q .A and Q .C ,pls assist , thanks

Hi , need help on Q4.2 ,4.3 , Q .A and Q .C ,pls assist , thanks

Introductory Circuit Analysis (13th Edition)
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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Hi , need help on Q4.2 ,4.3 , Q .A and Q .C ,pls assist , thanks

4.3 4.2 In Figure 4.2, determine the current I, and the voltages V₁ and Vs. 50 mA T Vs I₁ Figure 4.2 V₁ www 120 Ω 200 £2 Table 4 shows the electricity tariff. When the switch in Figure 4.3 is closed for 2 hours, determine (a) the total resistance RT, (b) the total energy consumed in kWh, and (c) the cost of using electricity for 2 hours. (a) In Figure 4.1, determine (1) the total resistance Rr, the supply current Is and the voltage Vs when the switch SW is opened; (ii) the total resistance RT when the switch SW is closed. E = 100 V (c) Is (1) (ii) 1 2V RT 1₁ 200 £2 ww Referring to the network in Figure 3.3, Figure 4.1 40 Ω ww • 2 ΚΩ 0.6 A Vs 600 £2 use nodal analysis to find the voltage Va and the currents I and Is; determine the power dissipated in the 2002 resistor. V₂ SW Figure 3.3 • 2 ΚΩ 400 (2 Ω 0.5 A 1, 2002 ww 4 V
Transcribed Image Text:4.3 4.2 In Figure 4.2, determine the current I, and the voltages V₁ and Vs. 50 mA T Vs I₁ Figure 4.2 V₁ www 120 Ω 200 £2 Table 4 shows the electricity tariff. When the switch in Figure 4.3 is closed for 2 hours, determine (a) the total resistance RT, (b) the total energy consumed in kWh, and (c) the cost of using electricity for 2 hours. (a) In Figure 4.1, determine (1) the total resistance Rr, the supply current Is and the voltage Vs when the switch SW is opened; (ii) the total resistance RT when the switch SW is closed. E = 100 V (c) Is (1) (ii) 1 2V RT 1₁ 200 £2 ww Referring to the network in Figure 3.3, Figure 4.1 40 Ω ww • 2 ΚΩ 0.6 A Vs 600 £2 use nodal analysis to find the voltage Va and the currents I and Is; determine the power dissipated in the 2002 resistor. V₂ SW Figure 3.3 • 2 ΚΩ 400 (2 Ω 0.5 A 1, 2002 ww 4 V
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