Electronics Review Questions, Exams of Electronics

Review Questions for Electronics course

Typology: Exams

2019/2020

Uploaded on 02/07/2020

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Questions:
1. For the circuit below in Figure 1, find following:
a. Total Resistance, RT
b. Current through R3, I3
c. Current through R5, I5
d. The voltage across R1, V1
e. The voltage across R4, V4
f. Total Power, PT
Figure 1.
Figure 2.
2. For the following circuit in Figure 2, determine the Thevenin equivalent as seen from
terminals A and B. Draw the Thevenin equivalent circuit and find the RTH and VTH.
3. Determine the value of a load resistor connected between terminals A and B in Figure 2
(above) for maximum power transfer to the load resistor.
4. Determine the voltage and current for RL in Figure 3.
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Questions:

  1. For the circuit below in Figure 1, find following: a. Total Resistance, RT b. Current through R 3 , I 3 c. Current through R 5 , I 5 d. The voltage across R 1 , V 1 e. The voltage across R 4 , V 4 f. Total Power, PT Figure 1. Figure 2.
  2. For the following circuit in Figure 2, determine the Thevenin equivalent as seen from terminals A and B. Draw the Thevenin equivalent circuit and find the RTH and VTH.
  3. Determine the value of a load resistor connected between terminals A and B in Figure 2 (above) for maximum power transfer to the load resistor.
  4. Determine the voltage and current for RL in Figure 3.

Figure 3.

  1. Using the superposition teorem, calculate the current through R 5 , I5, in figure 4.
  2. Analyse the following circuit and determine a. total impedance b. total current c. true power d. reactive power f = 25khz