Tag: electricity
Basic Electricity, Part 7
Energy
In Part 2, I discussed power. A light bulb rated at 100 watts and 120 volts will use 100 watts of power when operating...
Basic Electricity, Part 6 – Large Conductors
Most of my training in college was in electronics. When I graduated in 1971, most of the electronics companies were not hiring so I...
Basic Electricity – Part 5
Up until now, I have been talking about dc, direct current, in which the current in the circuit travels in one direction. Batteries and...
Basic Electricity, Part 4
In Part 2 of this series in the September/October issue, I worked through two simple example voltage-drop calculations. In both examples, I calculated what...
Basic Electricity, Part 3
In parts one and two of this series, I have only spoken about direct current (DC), were the source of voltage is trying to...
Basic Electricity, Part 2
In part 1, I described current as being the motion of electrons from one atom to the next within a material. A material’s ability...
Basic Electricity, Part 1
The more accident investigations I perform, the more I am convinced that a thorough understanding of basic electricity is critical in solving tough cases....