What does a resistor do in a circuit?

It resists current and gives off heat.

Start playing free

  1. It resists current and gives off heat ✔
  2. It stores charge like a battery
  3. It generates voltage

Why: Resistance opposes current flow and dissipates energy as heat.

Huh, didn't know that: Resistance opposes current flow and dissipates energy as heat.

The dad joke
That resistor is a real opposer.
Like this card?
Play the game

References

Answer: It resists current and gives off heat. Resistance opposes current flow and dissipates energy as heat.

  1. Electricity en.wikipedia.org/wiki/Electricity
    The resistor is perhaps the simplest of passive circuit elements
    Checked 2026-11-07.

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