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___________?
Correct answer: D. 778 ΩTry Prep Courses
- A. 1,650 Ω
- B. 1,078 Ω
- C. 77.8 Ω
- D. 778 ΩTry Prep Courses
Explanation
The first parallel combination is approximately 278 Ω, while four 2 kΩ resistors in parallel give 500 Ω. Their series total is therefore about 778 Ω.
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