What does an OHM measure?

An OHM measures how much a material resists the flow of electric current. This unit of measurement is fundamental in understanding electrical resistance within a circuit. It quantifies how difficult it is for electricity to pass through a conductive material, which is crucial in the study of both electricity and electronic devices. In practical terms, higher resistance means that less current will flow for a given voltage, reflecting the material's ability to oppose electric flow.

Understanding this measurement is essential for estheticians, particularly when using equipment that relies on electrical currents, such as facial machines or LED devices. Knowing how resistance affects current can help ensure safe and effective use of such equipment in skincare treatments.