Quiz Ect122 Week 4

Week 4 : Parallel Circuit Analysis - Quiz

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Question 1.1. (TCO 1) In a circuit, 7 V is across a 5.1 kΩ resistor. What is the resulting current? (Points : 5)      

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Question 2.2. (TCO 2) A 4.7 kΩ resistor is placed across a 24-V source, how much power is being drawn from the source? (Points : 5)      

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Question 3.3. (TCO 2) If R1 is 1000 Ω, 1/4 W resistor, calculate the power dissipated by R1, and evaluate if it is operating within its safe limits. There is 10 V on one end of R1, and - 5 V on the other end. (Points : 5)      

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Question 4.4. (TCO 3) Choose the value in ohms of R2 to limit the current into the Black Box to 10 mA. Also determine the voltage across R2; and the current through R2.

 (Points : 5)       

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Question 5.5. (TCO 3) Find the following: VR1 = ________ V, VR2 = ________ V, VR3 = ________ V, and

VR4 = ________ V.

 (Points : 5)       

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Question 6.6. (TCO 3) For the circuit below, find the current direction and the polarity on the top side of R2.

 (Points : 5) |

        Clockwise 

        Counterclockwise 

        Negative on top of R2 

        Positive on top of R2 

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Question 7.7. (TCO 4) A 1 k resistor and a 3 k resistor are placed in parallel. What is the total or equivalent resistance? (Points : 5)      

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Question 8.8. (TCO 4) For the circuit below, find the following: VR5 = __________; IR6 = __________; 

IA = __________; IB

= __________; IC = __________

 (Points : 5)       

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Question 9.9. (TCO 4) For the circuit below, find the following: VR7 = ___________; IR8 = __________; 

Total Resistance = ___________

 (Points : 5)       

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Question 10.10. (TCO 4) For the circuit below, find the following: VR12 = ___________; I20kΩ = __________; 

IA = ___________ ; IB

= __________ 

 (Points : 5)       

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