# Practice Test: Question Set - 02

**1. The parallel combination of a 470 Ω resistor and a 680 Ω resistor is in series with the parallel combination of four 2 kΩ resistors. The total resistance is**

- (A) 1,650 Ω

- (B) 1,078 Ω

- (C) 77.8 Ω

- (D) 778 Ω

**2. The parallel combination of a 470 Ω resistor and a 1.5 kΩ resistor is in series with the parallel combination of five 1 kΩ resistors. The source voltage is 50 V. The percentage of the load current through any single 1 KΩ resistor is**

- (A) 25 %

- (B) 20 %

- (C) 100 %

- (D) 50 %

**3. A smaller-value load resistor will cause the output voltage to change more than a larger-value one.**

- (A) True

- (B) False

**4. A galvanometer is a meter that measures small amounts of voltage.**

- (A) True

- (B) False

**5. A 12 kΩ resistor, a 15 kΩ resistor, and a 22 kΩ resistor are in series with two 10 kΩ resistors that are in parallel. The source voltage is 75 V. Current through the 15 kΩ resistor is approximately**

- (A) 14 mA

- (B) 1.4 mA

- (C) 5 mA

- (D) 50 mA

**6. The parallel combination of a 470 Ω resistor and a 1.2 kΩ resistor is in series with the parallel combination of three 3 kΩ resistors. A 200 V source is connected across the circuit. The resistor with the most current has a value of**

- (A) 470 Ω or 1.2 kΩ

- (B) 3 kΩ

- (C) 470 Ω

- (D) 1.2
kΩ

**7. To derive 18 V and 12 V from a 24 V supply requires a voltage divider with three taps.**

- (A) True

- (B) False

**8. The higher the range setting, the less the internal resistance and the greater the load effect of the voltmeter on a circuit.**

- (A) True

- (B) False

**9. The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is**

- (A) 20,000 Ω

- (B) 100,000 Ω

- (C) 200,000 Ω

- (D) 1,000,000 Ω

**10. On which of the following voltage range settings will a voltmeter present the minimum load on a circuit?**

- (A) 1 V

- (B) 50
V

- (C) 500 V

- (D) 1,000
V

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