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- Question
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
- Correct Answer
- 2 kΩ
- 1. 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
- 2. 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
- 3. 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 Discuss
- 4. 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
- 5. 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
- 6. 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
- 7. 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
- 8. Find the node voltage VA.
Options- A. 6 V
- B. 12 V
- C. 4.25 V
- D. 3 V Discuss
- 9. 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
Options- A. 18
- B. 50
- C. 32
- D. ?32 Discuss
- 10. The expansion method for evaluating determinants is
Options- A. better than any other method
- B. good for only one determinant
- C. more flexible than the cofactor method
- D. good for second- and third-order determinants Discuss
Series-Parallel Circuits problems
Search Results
Correct Answer: 1 MΩ
Correct Answer: 6.8 kΩ and 10 kΩ
Correct Answer: 1,000 V
Correct Answer: 24 V
Correct Answer: decreases
Correct Answer: Kirchhoff's voltage and current laws
Correct Answer: the directions are not critical
Correct Answer: 4.25 V
Correct Answer: 32
Correct Answer: good for second- and third-order determinants
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