Circuit Theorems and Conversions MCQ Test - Set 01 - ObjectiveBooks

# Practice Test: Question Set - 01

1. Find the current in R2 of the given circuit, using the superposition theorem.

(A) 16.7 mA
(B) 33.3 mA
(C) 50 mA
(D) 16.6 mA

2. A 120 Ω load is connected across an ideal voltage source with VS = 12 V. The voltage across the load is
(A) 0 V
(B) 12 V
(C) 120 V
(D) Cannot be determined

3. Find the Thevenin equivalent (VTH and RTH) between terminals A and B of the circuit given.

(A) 562 mV, 167 Ω
(B) 5.62 V, 167 Ω
(C) 5.62 V, 188 Ω
(D) 562 mV, 188 Ω

4. You cannot convert a voltage source to an equivalent current source, or vice versa.
(A) True
(B) False

5. A certain current source has the values IS = 4 µA and RS = 1.2 MΩ. The values for an equivalent voltage source are
(A) 4.8 μV, 1.2 MΩ
(B) 1 V, 1.2 MΩ
(C) 4.8 V, 4.8 MΩ
(D) 4.8 V, 1.2 MΩ

6. Some circuits require more than one voltage or current source.
(A) True
(B) False

7. Find the Norton circuit, that is, IIN and RN, for the circuit given below.

(A) 478 mA, 12.8 Ω
(B) 750 mA, 12.8 Ω
(C) 478 mA, 6.8 Ω
(D) 750 mA, 6.8 Ω

8. An ideal current source has zero internal resistance.
(A) True
(B) False

9. Conversions between delta-type and wye-type circuit arrangements are useful in certain specialized applications.
(A) True
(B) False

10. A 2 Ω RL is connected across a voltage source, VS, of 110 V. The source's internal resistance is 24 Ω. What is the output voltage across the load?
(A) 8.5 V
(B) 85 V
(C) 0 V
(D) 110 V

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