If you know “x” and “y,” you can solve for “z.” There are many laws in physics, science and nature, and Ohm’s Law is one of the most important in understanding basic electricity.

(It’s called Ohm’s Law.) For example, if you know the voltage drop across a known value of resistance, you can work out how much current must be passing through the resistor. Let’s look at an example ...

The symbol for resistance is R, it is measured in ohms \((\Omega )\). The symbol for current is I, it is measured in amperes \((A)\).

To use a voltmeter to measure the voltage across a metal wire and an ammeter to measure the current passing through the wire, and: The main variables in a science experiment are the independent ...

We’ve all experienced power outages of some kind, be it a breaker tripping at an inconvenient time to a storm causing a lack of separation between a tree and a power line. The impact is ...