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- Question
On which of the following voltage range settings will a voltmeter present the minimum load on a circuit?
Options- A. 1 V
- B. 50 V
- C. 500 V
- D. 1,000 V
- Correct Answer
- 1,000 V
- 1. 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
Options- A. 24 V
- B. 12 V
- C. 0 V
- D. 6 V Discuss
- 2. When a load resistance is removed from the output of a voltage divider circuit, the current drawn from the source
Options- A. decreases
- B. increases
- C. remains the same
- D. is cut off Discuss
- 3. 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
Options- A. 1,403 Ω
- B. 4.7 kΩ
- C. 2 kΩ
- D. 3,403 Ω Discuss
- 4. 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
Options- A. 1,650 Ω
- B. 1,078 Ω
- C. 77.8 Ω
- D. 778 Ω Discuss
- 5. The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is
Options- A. 20,000 Ω
- B. 100,000 Ω
- C. 200,000 Ω
- D. 1,000,000 Ω Discuss
- 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)
Options- A. 6.8 kΩ
- B. 2.2 kΩ
- C. 6.8 kΩ and 10 kΩ
- D. 2.2 kΩ and 1 kΩ Discuss
- 7. 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?
Options- A. 1 MΩ
- B. 100 kΩ
- C. 1 kΩ
- D. 330 Ω Discuss
- 8. In a certain five-step R/2R ladder network, the smallest resistor value is 1 kΩ. The largest value is
Options- A. indeterminable
- B. 2 kΩ
- C. 10 kΩ
- D. 20 kΩ Discuss
- 9. The branch current method uses
Options- 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 Discuss
- 10. In assigning the direction of branch currents,
Options- 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 Discuss
Series-Parallel Circuits problems
Search Results
Correct Answer: 24 V
Correct Answer: decreases
Correct Answer: 4.7 kΩ
Correct Answer: 778 Ω
Correct Answer: 100,000 Ω
Correct Answer: 6.8 kΩ and 10 kΩ
Correct Answer: 1 MΩ
Correct Answer: 2 kΩ
Correct Answer: Kirchhoff's voltage and current laws
Correct Answer: the directions are not critical
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