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- Question
If a 24 V and a 6 V battery are series opposing, the total voltage is
Options- A. 30 V
- B. 24 V
- C. 18 V
- D. 0 V
- Correct Answer
- 18 V
- 1. When one of three series resistors is removed from a circuit and the circuit is reconnected, the current
Options- A. increases
- B. increases by one-third
- C. decreases by one-third
- D. decreases by the amount of current through the removed resistor Discuss
- 2. The total power in a certain circuit is 12 W. Each of the four equal-value series resistors making up the circuit dissipates
Options- A. 12 W
- B. 48 W
- C. 3 W
- D. 8 W Discuss
- 3. A series circuit consists of three resistors. Two resistors are 1.2 kΩ each. The total resistance is 12 kΩ. The value of the third resistor
Options- A. is 9,600 Ω
- B. is 960 Ω
- C. is 1.2 kΩ
- D. cannot be determined Discuss
- 4. A series circuit consists of a 4.7 kΩ, a 12 kΩ, and a 2.2 kΩ resistor. The resistor that has the most voltage drop is
Options- A. the 12 kΩ
- B. the 2.2 kΩ
- C. the 4.7 kΩ
- D. impossible to determine from the given information Discuss
- 5. Five resistors are connected in a series and there is a current of 3 A into the first resistor. The amount of current into the second resistor is
Options- A. 3 A
- B. 1 A
- C. 4 A
- D. 0.3 A Discuss
- 6. The total resistance of eight 5.6 kΩ resistors in series is
Options- A. 8 Ω
- B. 5,600 Ω
- C. 4,480 Ω
- D. 44,800 Ω Discuss
- 7. Which of the following series combinations dissipates the most power when connected across a 120 V source?
Options- A. one 220 Ω resistor
- B. two 220 Ω resistors
- C. three 220 Ω resistors
- D. four 220 Ω resistors Discuss
- 8. The total resistance of a circuit is 680 Ω. The percentage of the total voltage appearing across a 47 Ω resistor that makes up part of the total series resistance is
Options- A. 68%
- B. 47%
- C. 69%
- D. 6.91% Discuss
- 9. Two 1.5 V cells are connected series opposing across two 100 Ω resistors in series. Total current flow is
Options- A. 15 mA
- B. 5 mA
- C. 2 mA
- D. 0 A Discuss
- 10. A string of five series resistors is connected across a 6 V battery. Zero voltage is measured across all resistors except R3. The voltage across R3 is
Options- A. 0 V
- B. 1.2 V
- C. 6 V
- D. 0.6 V Discuss
Series Circuits problems
Search Results
Correct Answer: increases
Correct Answer: 3 W
Correct Answer: is 9,600 Ω
Correct Answer: the 12 kΩ
Correct Answer: 3 A
Correct Answer: 44,800 Ω
Correct Answer: one 220 Ω resistor
Correct Answer: 6.91%
Correct Answer: 0 A
Correct Answer: 6 V
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