Circuit Theorems and Conversions MCQ Test - Set 01

Practice Test: Question Set - 01


1. Find the current in R2 of the given circuit, using the superposition theorem.
ob-ele-ct-01


    (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.
ob-ele-ct-05


    (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.
ob-ele-ct-09


    (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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Item Reviewed: Circuit Theorems and Conversions MCQ Test - Set 01 Rating: 5 Reviewed By: Pranab Debnath
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