Resistors

Resistor Types

Resistor Types


Resistor Tutorial - A basic circuit

Resistor Tutorial

A basic circuit

Here is an example of using Ohm's Law for a basic circuit (see the electronics introduction if you're not familiar with Ohm's law.)

We have a resistor of 4k7 (4700 Ohm) connected to a 5V supply, what is the current flowing through it?


Resistors

Resistors are the most commonly used component in electronics and their purpose is to create specified values of current and voltage in a circuit. A number of different resistors are shown in the photos. (The resistors are on millimeter paper, with 1cm spacing to give some idea of the dimensions).


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