MCQ Exam on Branch, Loop and Node Analyses - ObjectiveBooks

# Practice Test: Question Set - 02

1. The branch current method uses
(A) Kirchhoff's voltage and current laws
(B) Thevenin's theorem and Ohm's law
(C) Kirchhoff's current law and Ohm's law
(D) The superposition theorem and Thevenin's theorem

2. When assigning branch currents, you need not be concerned with the direction you choose.
(A) True
(B) False

3. Find the node voltage VA.
(A) 6 V
(B) 12 V
(C) 4.25 V
(D) 3 V

4. Second-order determinants are evaluated by subtracting the signed cross-products.
(A) True
(B) False

5. Find the node voltage VA.
(A) 518 mV
(B) 5.18 V
(C) 9.56 V
(D) 956 mV

6. The mesh current method is based on Kirchhoff's current law.
(A) True
(B) False

7. Using the mesh current method, find the branch current, IR1, in the above figure.
(A) 115 mA
(B) 12.5 mA
(C) 12.5 A
(D) 135 mA

8. The first row of a certain determinant has the numbers 10 and 6. The second row has the numbers 3 and 5. The value of this determinant is
(A) 18
(B) 50
(C) 32
(D) -32

9. The mesh method can be applied to circuits with any number of loops.
(A) True
(B) False

10. Find I1.
4I1 + 4I2 = 2
6I1 + 7I2 = 4
(A) 0.5 A
(B) 50 mA
(C) -0.5 A
(D) -50 mA

11. What is the current through R2?
(A) 3.19 A
(B) 319 mA
(C) 1.73 A
(D) 173 mA

12. What is the voltage drop across R2?
(A) 3.5 V
(B) 4.18 V
(C) 1.5 V
(D) 145 mV

13. Find I2.
4I1 + 4I2 = 2
6I1 + 7I2 = 4
(A) 1 A
(B) -1 A
(C) 100 mA
(D) -100 mA

14. Third-order determinants are evaluated by the expansion method or by the cofactor method.
(A) True
(B) False

15. What is the current through R2?
(A) 177 mA
(B) 250 mA
(C) 500 mA
(D) 125 mA

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