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(a) In Figure 1.1, determine the current I₁, (1) the voltage Va the power dissipated in resistor R₁, (ii) (i) (iv) the energy consumed in the resistor R1 in 45 minutes. Give the energy in joules and kWh. 2 R₁ | 30 Ω V₂ R₂ 502 Figure 1.1 R₁ 15 Ω www 32 V

(a) In Figure 1.1, determine the current I₁, (1) the voltage Va the power dissipated in resistor R₁, (ii) (i) (iv) the energy consumed in the resistor R1 in 45 minutes. Give the energy in joules and kWh. 2 R₁ | 30 Ω V₂ R₂ 502 Figure 1.1 R₁ 15 Ω www 32 V

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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need help on 3Q A1 & B1 & C1

(a) In Figure 1.1, determine (1) the current Is, (ii) the voltage Va (iii) the power dissipated in resistor R₁, (iv) the energy consumed in the resistor R₁ in 45 minutes. Give the energy in joules and kWh. 4 V 1₁ R₁ 30 02 V₂ R₂ 592 ww Figure 1.1 R₂ 1592 ww (c) 32 V For the circuit shown in Figure 3.3, determine the currents Is and 12 (0) (ii) when the switch SW is opened, when the switch SW is closed. SW R₁ 2 k R₂ 2 ΚΩ 1₂ R₂ 1kQ Figure 3.3 R₁ § 2.2 ΚΩ E = 80 V Is (b) Refer to the circuit in Figure 1.2. (0) Using Kirchhoff's Voltage Law, write down the branch equations for Loop abefa and Loop bcdeb. Using Kirchhoff's Current Law, write down the equation at node 'e'. You do not have to solve the equations in part (i) and (ii). 15 V a 1₁ f 17 Ω ww 33 2 ww b 47 ΩΣ 8 V e Figure 1.2 Is 2352 ww 2V 1₂ с Σ12 Ω d
Transcribed Image Text:(a) In Figure 1.1, determine (1) the current Is, (ii) the voltage Va (iii) the power dissipated in resistor R₁, (iv) the energy consumed in the resistor R₁ in 45 minutes. Give the energy in joules and kWh. 4 V 1₁ R₁ 30 02 V₂ R₂ 592 ww Figure 1.1 R₂ 1592 ww (c) 32 V For the circuit shown in Figure 3.3, determine the currents Is and 12 (0) (ii) when the switch SW is opened, when the switch SW is closed. SW R₁ 2 k R₂ 2 ΚΩ 1₂ R₂ 1kQ Figure 3.3 R₁ § 2.2 ΚΩ E = 80 V Is (b) Refer to the circuit in Figure 1.2. (0) Using Kirchhoff's Voltage Law, write down the branch equations for Loop abefa and Loop bcdeb. Using Kirchhoff's Current Law, write down the equation at node 'e'. You do not have to solve the equations in part (i) and (ii). 15 V a 1₁ f 17 Ω ww 33 2 ww b 47 ΩΣ 8 V e Figure 1.2 Is 2352 ww 2V 1₂ с Σ12 Ω d
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