Series and Parallel Circuits Quiz
Studying this course? Keep your progress in one place.
Pick an answer for each. Quizzes never use energy.
5 questions, one answer each
Each answer is checked as you go, with why.
See all 5 questions
1. In a series circuit containing three resistors, how does the current through the first resistor compare to the current through the third resistor?
- A. The current is the same at both points
- B. The current is larger at the first resistor
- C. The current is smaller at the third resistor
- D. The current cannot be compared without knowing the resistance values
2. Which statement correctly describes potential difference in a parallel circuit?
- A. The potential difference is shared equally between all branches
- B. The potential difference is the same across all branches
- C. The potential difference is largest in the branch with the highest resistance
- D. The potential difference decreases as you move along each branch
3. A series circuit contains resistors of 5 Ω, 8 Ω, and 12 Ω. What is the total resistance?
- A. 8 Ω
- B. 25 Ω
- C. 15 Ω
- D. 20 Ω
4. In a parallel circuit with three branches, the current from the battery is 9 A. If two branches carry 3 A and 2 A respectively, what current flows through the third branch?
- A. 2 A
- B. 3 A
- C. 4 A
- D. 6 A
5. Two resistors of 6 Ω and 3 Ω are connected in parallel. Using the formula 1/R_total = 1/R₁ + 1/R₂, calculate the total resistance.
- A. 9 Ω
- B. 4.5 Ω
- C. 3 Ω
- D. 2 Ω