Section 2
Electric Current
Book
Version 3
By Boundless
By Boundless
Boundless Physics
Physics
by Boundless
3 concepts
![Thumbnail](../../../../../../figures.boundless-cdn.com/12180/raw/battery-symbol2.jpg)
The Battery
A battery is a device that converts chemical energy directly to electrical energy.
![Thumbnail](../../../../../../figures.boundless-cdn.com/12222/raw/7s-law-with-voltage-source.jpg)
Current and Voltage Measurements in Circuits
The electrical current is directly proportional to the voltage applied and inversely related to the resistance in a circuit.
![Thumbnail](../../../../../../figures.boundless-cdn.com/12183/square/figure-21-01-05a.jpeg)
A Microscopic View: Drift Speed
The drift velocity is the average velocity that a particle achieves due to an electric field.