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Q1 (a) The current entering the positive terminal of a device is i(t) = 5e³ A and the voltage across the device is v(t) = 5V. (i) Find the charge delivered to the device between t = 0 and t = 1s. (3 marks) (b) Referring to Figure Q1(b), calculate the power of each element, and state whether the power is supplied or absorbed by the element. Write your answer in Table Q1(b). 1=5A P2 20 V P1 12 V 6A P3 8V P41A (6 marks) Figure Q1(b) (ii) Calculate the power absorbed. (3 marks) Table Q1(b) Elements Power (W) Power Supplied/Absorbed Pl (iii) Determine the energy absorbed in 1s. 2 (3 marks) P2 P3 P4 3 Q2 (a) Describe Kirchoff Current Law (KCL), with the aid of diagram. (c) For circuit in Figure Q2(c). (2 marks) (b) Based on Figure Q2(b) below; 10 V 302 a 50 (i) 30 V b Figure Q2(b) 8 V Write the Kirchoff Voltage Law (KVL) equation for the circuit. (2 marks) 102 30 Ω 80 www 15 V 12 Ω 602 다 120 120 Req b Figure Q2(b) (i) Calculate the value of Req (4 marks) (ii) Find the value of I and Vab (5 marks) (ii) Find the value of I. (2 marks) -END OF QUESTIONS- 5

Q1 (a) The current entering the positive terminal of a device is i(t) = 5e³ A and the voltage across the device is v(t) = 5V. (i) Find the charge delivered to the device between t = 0 and t = 1s. (3 marks) (b) Referring to Figure Q1(b), calculate the power of each element, and state whether the power is supplied or absorbed by the element. Write your answer in Table Q1(b). 1=5A P2 20 V P1 12 V 6A P3 8V P41A (6 marks) Figure Q1(b) (ii) Calculate the power absorbed. (3 marks) Table Q1(b) Elements Power (W) Power Supplied/Absorbed Pl (iii) Determine the energy absorbed in 1s. 2 (3 marks) P2 P3 P4 3 Q2 (a) Describe Kirchoff Current Law (KCL), with the aid of diagram. (c) For circuit in Figure Q2(c). (2 marks) (b) Based on Figure Q2(b) below; 10 V 302 a 50 (i) 30 V b Figure Q2(b) 8 V Write the Kirchoff Voltage Law (KVL) equation for the circuit. (2 marks) 102 30 Ω 80 www 15 V 12 Ω 602 다 120 120 Req b Figure Q2(b) (i) Calculate the value of Req (4 marks) (ii) Find the value of I and Vab (5 marks) (ii) Find the value of I. (2 marks) -END OF QUESTIONS- 5

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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Q1 (a) The current entering the positive terminal of a device is i(t) = 5e³ A and the voltage across the device is v(t) = 5V. (i) Find the charge delivered to the device between t = 0 and t = 1s. (3 marks) (b) Referring to Figure Q1(b), calculate the power of each element, and state whether the power is supplied or absorbed by the element. Write your answer in Table Q1(b). 1=5A P2 20 V P1 12 V 6A P3 8V P41A (6 marks) Figure Q1(b) (ii) Calculate the power absorbed. (3 marks) Table Q1(b) Elements Power (W) Power Supplied/Absorbed Pl (iii) Determine the energy absorbed in 1s. 2 (3 marks) P2 P3 P4 3
Transcribed Image Text:Q1 (a) The current entering the positive terminal of a device is i(t) = 5e³ A and the voltage across the device is v(t) = 5V. (i) Find the charge delivered to the device between t = 0 and t = 1s. (3 marks) (b) Referring to Figure Q1(b), calculate the power of each element, and state whether the power is supplied or absorbed by the element. Write your answer in Table Q1(b). 1=5A P2 20 V P1 12 V 6A P3 8V P41A (6 marks) Figure Q1(b) (ii) Calculate the power absorbed. (3 marks) Table Q1(b) Elements Power (W) Power Supplied/Absorbed Pl (iii) Determine the energy absorbed in 1s. 2 (3 marks) P2 P3 P4 3
Q2 (a) Describe Kirchoff Current Law (KCL), with the aid of diagram. (c) For circuit in Figure Q2(c). (2 marks) (b) Based on Figure Q2(b) below; 10 V 302 a 50 (i) 30 V b Figure Q2(b) 8 V Write the Kirchoff Voltage Law (KVL) equation for the circuit. (2 marks) 102 30 Ω 80 www 15 V 12 Ω 602 다 120 120 Req b Figure Q2(b) (i) Calculate the value of Req (4 marks) (ii) Find the value of I and Vab (5 marks) (ii) Find the value of I. (2 marks) -END OF QUESTIONS- 5
Transcribed Image Text:Q2 (a) Describe Kirchoff Current Law (KCL), with the aid of diagram. (c) For circuit in Figure Q2(c). (2 marks) (b) Based on Figure Q2(b) below; 10 V 302 a 50 (i) 30 V b Figure Q2(b) 8 V Write the Kirchoff Voltage Law (KVL) equation for the circuit. (2 marks) 102 30 Ω 80 www 15 V 12 Ω 602 다 120 120 Req b Figure Q2(b) (i) Calculate the value of Req (4 marks) (ii) Find the value of I and Vab (5 marks) (ii) Find the value of I. (2 marks) -END OF QUESTIONS- 5
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