One ohm of resistance is defined as one volt for every what?

One ohm equals one volt per ampere.

Start playing free

  1. Ampere ✔
  2. Watt
  3. Coulomb

Why: Resistance is how much voltage it takes to push a given current. If 1 volt pushes 1 amp through a conductor, that conductor has 1 ohm.

Huh, didn't know that: OpenStax notes Ohm's law is not universal; materials that obey it, like copper and aluminum, are called ohmic.

The dad joke
What's an electrician's favorite breakfast? Ohmelettes.
Like this card?
Play the game

References

Answer: Ampere. Resistance is how much voltage it takes to push a given current. If 1 volt pushes 1 amp through a conductor, that conductor has 1 ohm.

  1. OpenStax College Physics 2e, 20.2 Ohm's Law openstax.org/books/college-physics-2e/pages/20-2-ohms-law-resistance-and-simple-circuits
    the units of resistance are 1 ohm = 1 volt per ampere.
    Checked 2026-10-10.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game