What does a short circuit have very little or zero of?

A short circuit occurs when there is a low-resistance connection within an electrical circuit, allowing current to flow along an unintended path. In such scenarios, the resistance is significantly reduced, often approaching zero. This drop in resistance facilitates an increase in current as per Ohm’s Law, where current is inversely related to resistance for a given voltage.

When a short circuit happens, the incredibly low resistance leads to an unrestricted flow of current, which is typically much higher than the normal operating current of the circuit. This phenomenon can result in overheating and potential damage if the circuit is not protected properly.

Understanding the relationship between resistance and the behavior of the circuit is fundamental in electrical work. With very little or zero resistance during a short circuit, the current can potentially rise to dangerous levels while the voltage remains relatively constant.