# 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**

*V*_{A}.- (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**

*V*_{A}.- (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,**

*IR*_{1}, 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**

*I*_{1}.**4**

*I*_{1}+ 4*I*_{2}= 2**6**

*I*_{1}+ 7*I*_{2}= 4- (A) 0.5 A

- (B) 50 mA

- (C) -0.5 A

- (D) -50 mA

**11. What is the current through**

*R*_{2}?- (A) 3.19 A

- (B) 319 mA

- (C) 1.73 A

- (D) 173 mA

**12. What is the voltage drop across**

*R*_{2}?- (A) 3.5 V

- (B) 4.18 V

- (C) 1.5 V

- (D) 145 mV

**13. Find**

*I*_{2}.**4**

*I*_{1}+ 4*I*_{2}= 2**6**

*I*_{1}+ 7*I*_{2}= 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**

*R*_{2}?- (A) 177 mA

- (B) 250 mA

- (C) 500 mA

- (D) 125 mA

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