Library›Physics Essentials›One card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaPhysics concept

This property measures opposition to electric current, in ohms.

Think it. Then flip it. ahamoraTap to reveal Back to the cue
ScienceOne small aha
Your new ahaElectrical resistance

Resistance relates the voltage across a component to the current through it. Source: Electrical resistance ↗

ahamoraReference ↗

Keep the thread going

One answer is a beginning.

Share a little curiosity, or follow it into the full collection.

Flip the full deck →

More from Physics Essentials

A few more worth knowing.

  1. 54This law relates voltage, current and resistance.RECALL
    Ohm's law

    V = IR

    Open this card ↗
  2. 55In a series circuit, this electrical quantity is the same through every component.RECALL
    Current

    There is one path

    Open this card ↗
  3. 56In a parallel circuit, this electrical quantity is the same across each branch.RECALL
    Voltage

    Each branch shares the same potential difference

    Open this card ↗