# Electronics

## 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? https://web.archive.org/web/20090224113643/http://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-2757683140936137&dt=1235427218282&lmt=1612436182&output=html&slotname=6542966663&correlator=1235427218282&url=https%3A%2F%2Fmayothi.com%2Fresistors.html&frm=0&ga_vid=2137999440.1235427220&ga_sid=1235427220&ga_hid=1237380667&flash=0&u_h=864&u_w=1536&u_ah=834&u_aw=1536&u_cd=24&u_his=7&u_nplug=3&u_nmime=4&dtd=M&w=728&h=90&xpc=BvwG0wKY6e&p=https%3A//web.archive.org Answer I = V/R = 5V/4k7 = 1.06mA …

## Electronics Introduction

Ohm’s Law Probably the most important law in electronics is Ohm’s Law. Ohms Law states that the voltage across a resistor equals the resistance of the resistor times the current flowing through it (V=R*I). Thus if you have a resistance of 1000 ohms and a current of 10 milliamps flowing through it, the voltage over …