This resistor with bands of red, violet, yellow, and gold has a value of 270,000 ohms (270kΩ) with a tolerance of ±5%. \( \begin{eqnarray*}\text{R}_\text{t ...

In 1827, Georg Simon Ohm noticed that different electrically conductive materials did not allow an electric current to flow with the same ease. He described this behavior as “electrical resistance” ...

The previous tutorials featured resistors in direct current (DC) circuits wherein the voltage and current have been assumed to be of constant polarity, flow and direction. The voltage, current and ...

Resistors are tiny components that play a big role in shaping how electricity flows through a circuit. This video explains ...

The progress in digitization has profoundly changed our lives. There is no area of everyday life to which digital circuits haven’t penetrated. Ever more powerful microcontrollers and data converters ...

Understanding how to calculate resistance in a circuit is a key skill for anyone interested in electronics. Whether you’re an engineer, hobbyist, or student studying the subject, the ability to ...

Twelve volts was a big deal when domestic manufacturers adopted it in the '50s. Doubling their voltage from 6 made electrical systems comparatively efficient and the increased power ushered in a new ...

Measuring resistance doesn’t seem to be a big deal. Put your meter leads across two wires or terminals and read the value, right? Most of the time that is good enough, but sometimes you need better ...