# Practice Test: Question Set - 01

**1. A voltage divider consists of two 100 kΩ resistors and a 12 V source. What will the output voltage be if a load resistor of 1 MΩ is connected to the output?**

- (A) 0.57 V

- (B) 6 V

- (C) 12 V

- (D) 5.7 V

**2. In a certain five-step**

*R*/2*R*ladder network, the smallest resistor value is 1 kΩ. The largest value is- (A) Indeterminable

- (B) 2 kΩ

- (C) 10 kΩ

- (D) 20 kΩ

**3. A voltage divider consists of two 68 kΩ resistors and a 24 V source. The unknown output voltage is**

- (A) 12 V

- (B) 24 V

- (C) 0 V

- (D) 6 V

**4. A certain Wheatstone bridge has the following resistor values:**

*R*_{1}= 10 kΩ,*R*_{2}= 720 Ω, and*R*_{4}= 2.4 kΩ. The unknown resistance is- (A) 24 Ω

- (B) 2.4 Ω

- (C) 300 Ω

- (D) 3,000 Ω

**5. A certain circuit is composed of two parallel resistors. The total resistance is 1,403 Ω. One of the resistors is 2 kΩ. The other resistor value is**

- (A) 1,403 Ω

- (B) 4.7 kΩ

- (C) 2 kΩ

- (D) 3,403 Ω

**6. Using Kirchhoff's voltage law, you can find the voltages across certain parts of a series-parallel circuit.**

- (A) True

- (B) False

**7. Using the current-divider formula, you can find the current in any branch of a series-parallel circuit.**

- (A) True

- (B) False

**8. Two 3.3 kΩ resistors are in series and this series combination is in parallel with a 4.7 kΩ resistor. The voltage across one of the 3.3 kΩ resistors is 12 V. The voltage across the 4.7 kΩ resistor is**

- (A) 24 V

- (B) 12 V

- (C) 0 V

- (D) 6 V

**9. Two 1.2 kΩ resistors are in series and this series combination is in parallel with a 3.3 kΩ resistor. The total resistance is**

- (A) 138 Ω

- (B) 1,389 Ω

- (C) 5,700 Ω

- (D) 880 Ω

**10. A certain voltage divider consists of three 1 kΩ resistors in series. Which of the following load resistors will have the least effect on the output voltage?**

- (A) 1 MΩ

- (B) 100 kΩ

- (C) 1 kΩ

- (D) 330 Ω

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