12. (a) Employ superposition to determine the individual contribution from each independent source to the voltage v as labeled in the circuit shown in Fig. 5.57. (b) Compute the power absorbed by the 2 2 resistor. ΤΩ 4 A 792 www 202 6 A 3 Ω www 0.4i₁ Fig:5.57

What are the expected readings of the following in the figure below? (R = 8.90 02, AV = 6.90 V) 10.0 www www 5.00 Ω www R AV R 4.50 V (a) ideal ammeter (Give your answer in mA.) mA (b) ideal voltmeter (Give your answer in volts.) (c) What If? How would the readings in the ammeter (in mA) and voltmeter (in volts) change if the 4.50 V battery was flipped so that its positive terminal was to the right? ideal ammeter ideal voltmeter mA V

5.

Q5/ A) Use superposition principle to obtain v, in the circuit below. 30 Ω 10 Ω 20Ω ww ww + v, - 90 V 60 2 4 6 A 30 Ω 40 V ww