# Electrical Fundamental engineering

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Onfnen1995

Engineering

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1) Complete problem 2.51 from the text (same for 5th/6th editions). For each of (a) and (b), please draw successively simplified equivalent circuits to illustrate process. your solution 2) A string of series resistors can be combined to form a multi-output voltage divider, called a voltage ladder. An example of this is shown below. For this circuit, set your OV ground reference at Node E. For this circuit, calculate the voltage you expect to see at each node, as well as the expected current I. b. What is the power dissipated in each resistor? What is the total power deliver by the voltage source? a. c. A 22 ΚΩ B ariyningning 10 kg C + 10 V 2.2 k2 200 Ω E 2.51 Obtain the equivalent resistance at the terminals a-b for each of the circuits in Fig. 2.115. α Ο 10 Ω 20 Ω w 10 Ω 30 Ω 10 Ω 20 Ω bo (a) 30 Ω w 25 Ω 10 Ω 20 Ω Ο Ο w 5 Ω 15 Ω bo (b) 3) Consider the circuit diagram below. Use nodal analysis to find Vo. b. How much energy is supplied by the 60V source in 5 minutes? a. Vo 12 22 622 w + 60 V 1222 + 24 V 4) Consider the circuit diagram shown below. Use nodal analysis to find the voltage drop Vx. b. Determine the current Iy. a. 1022 10 Ω W w + Vx w 10 V 522 0.9 A Іy 2 Ω 5) Consider the circuit diagram shown below. Use nodal analysis to determine Vb and Vc. b. What is the power delivered by the 4V source? a. 18 V Vb Vc w + R1 222 w 4 V 1+ R2 422 R3 8 Ω 2A
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