**Q 1. What is the voltage drop across R1?**

(A) 850 mV

(B) 7.82 V

(C) 9.18 V

(D) 918 mV

**Answer: Option B **

**Q 2. The branch current method is based on Kirchhoff’s voltage law and Kirchhoff’s current law. **

(A) True

(B) False

**Answer: Option A **

**Q 3. The first row of a certain determinant has the numbers 3 and 5. The second row has the numbers 7 and 2. The value of this determinant is**

(A) 31

(B) -31

(C) 39

(D) -29

** Answer: Option D**

**Q 4. Generally, the mesh current method results in fewer equations than the node voltage method. **

(A) True

(B) False

**Answer: Option B**

**Q 5. What is the voltage drop across R3?**

(A) 112 mV

(B) 11.25 V

(C) 180 mV

(D) 1.80 V

**Answer: Option C **

**Q 6. Find branch current IR2.**

(A) 5.4 mA

(B) -5.4 mA

(C) 113.0 mA

(D) 119.6 mA

** Answer: Option C **

**Q 7. A loop current is an actual current in a branch. **

(A) True

(B) False

**Answer: Option B **

**Q 8. The expansion method for evaluating determinants is**

(A) Better than any other method

(B) Good for only one determinant

(C) More flexible than the co-factor method

(D) Good for second- and third-order determinants

**Answer: Option D **

**Q 9. The node voltage method is based on Kirchhoff’s voltage law.**

(A) True

(B) False

**Answer: Option B **

**Q 10. In assigning the direction of branch currents, **

(A) The directions are critical

(B) The directions are not critical

(C) They must point into a node

(D) They must point out of a node

**Answer: Option B**

**Q 11. 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

**Answer: Option A **

**Q 12. When assigning branch currents, you need not be concerned with the direction you choose. **

(A) True

(B) False

**Answer: Option A **

**Q 13. Find the node voltage VA.**

(A) 6 V

(B) 12 V

(C) 4.25 V

(D) 3 V

**Answer: Option C**

**Q 14. Second-order determinants are evaluated by subtracting the signed cross-products. **

(A) True

(B) False

**Answer: Option B **

**Q 15. Find the node voltage VA.**

(A) 518 mV

(B) 5.18 V

(C) 9.56 V

(D) 956 mV

**Answer: Option B **

**Q 16. The mesh current method is based on Kirchhoff’s current law. **

(A) True

(B) False

**Answer: Option B **

**Q 17. Using the mesh current method, find the branch current, IR1, in the below figure.**

(A) 115 mA

(B) 12.5 mA

(C) 12.5 A

(D) 135 mA

**Answer: Option A **

**Q 18. 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

** Answer: Option C**

**Q 19. The mesh method can be applied to circuits with any number of loops. **

(A) True

(B) False

**Answer: Option A**

**Q 20. Find I1.**

** 4I1 + 4I2 = 2 **

**6I1 + 7I2 = 4 **

(A) 0.5 A

(B) 50 mA

(C) -0.5 A

(D) -50 mA

**Answer: Option C **

**Q 21. What is the current through R2?**

(A) 3.19 A

(B) 319 mA

(C) 1.73 A

(D) 173 mA

**Answer: Option D**

**Q 22. What is the voltage drop across R2?**

(A) 3.5 V

(B) 4.18 V

(C) 1.5 V

(D) 145 mV

**Answer: Option B **

**Q 23. Find I2. **

**4I1 + 4I2 = 2 **

**6I1 + 7I2 = 4**

(A) 1 A

(B) -1 A

(C) 100 mA

(D) -100 mA

**Answer: Option A **

**Q 24. Third-order determinants are evaluated by the expansion method or by the cofactor method. **

(A) True

(B) False

**Answer: Option A**

**Q 25. What is the current through R2?**

(A) 177 mA

(B) 250 mA

(C) 500 mA

(D) 125 mA

**Answer: Option A**