Ask Question
8 August, 03:37

How much voltage is required to make 4 amperes flow through a resistance of 20 ohms?

+2
Answers (1)
  1. 8 August, 05:14
    0
    V = I * R = (4 A) (20 Ω) = 60 V

    OR

    [From P = IV = V²/R, R = V²/P = (120 V) ² / (60 W) = 240 Ω; for the 40-W lamp, R = (120 V) ² / (40 W) = 360 Ω.

    Explanation:

    Maybe ... sorry I haven't really worked on this
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “How much voltage is required to make 4 amperes flow through a resistance of 20 ohms? ...” in 📘 Physics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers