Practice Test: Question Set - 03
1. A certain voltage divider consists of two 12 kΩ resistors in series. Which of the following load resistors will have the most effect on the output voltage?
- (A) 1 MΩ
- (B) 24 kΩ
- (C) 18 kΩ
- (D) 12 kΩ
2. Three 10 kΩ resistors are connected in series. A 20 kΩ resistor is connected in parallel across one of the 10 kΩ resistors. The voltage source is 24 V. The total current in the circuit is
- (A) 900 μA
- (B) 9 mA
- (C) 90 mA
- (D) 800 μA
3. A Wheatstone bridge is often shown in a "diamond" configuration.
- (A) True
- (B) False
4. A Wheatstone bridge consists of four resistors in parallel.
- (A) True
- (B) False
5. The internal resistance of a 30,000 ohm/volt voltmeter set on its 50 V range is
- (A) 15,000 Ω
- (B) 150,000 Ω
- (C) 1,500,000 Ω
- (D) 15,000,000 Ω
6. The parallel combination of a 6.8 kΩ resistor and a 10 kΩ resistor is in series with the parallel combination of a 2.2 kΩ resistor and a 1 kΩ resistor. A 100 V source is connected across the circuit. The resistor(s) with the greatest voltage drop is (are)
- (A) 6.8 kΩ
- (B) 2.2 kΩ
- (C) 6.8 kΩ and 10 kΩ
- (D) 2.2 kΩ and 1 kΩ
7. A resistor ladder network is a special type of series-parallel circuit.
- (A) True
- (B) False
8. A 6 V battery output is divided down to obtain two output voltages. Three 2.2 kΩ resistors are used to provide the two taps. The two output voltages are
- (A) 2 V, 4 V
- (B) 2 V, 2 V
- (C) 2 V, 6 V
- (D) 4 V, 6 V
9. A balanced Wheatstone bridge consists of an RV of 3,500 Ω, an R2 of 200 Ω, and an R3 of 680 Ω. The value of RUNK is
- (A) 680 Ω
- (B) 1,029 Ω
- (C) 200 Ω
- (D) 880 Ω
10. Two equal-value resistors in series will divide the source voltage equally.
- (A) True
- (B) False
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