What is Ohm's law?

Current is proportional to voltage across a resistance.

Start playing free

  1. Voltage always equals zero
  2. Power equals current times time
  3. Current is proportional to voltage across a resistance ✔

Why: Ohm's law says current through a resistance is proportional to voltage across it.

Huh, didn't know that: Ohm's law says current through a resistance is proportional to voltage across it.

The dad joke
Ohm's law is a law-abiding citizen.
Like this card?
Play the game

References

Answer: Current is proportional to voltage across a resistance. Ohm's law says current through a resistance is proportional to voltage across it.

  1. Electricity en.wikipedia.org/wiki/Electricity
    the current passing through a resistance is directly proportional to the potential difference across it
    Checked 2026-11-07.

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