topics:electricity_and_circuits

- DC circuits in a nutshell (two page summary)

- An in-class worksheet on Schematic models of simple battery circuits provides hands-on practice to concepts
- An in-class worksheet to verify Kirchoff's voltage law
- Simplifying circuits: DC circuit practice problems and DC circuit practice problems with solutions
- Practice problems to compute V, I and P for each component of simple circuits.

Reading

**Read this:**Introduction to DC Circuits (PDF) notes provide the core reading for the ME 120 modules on DC circuits.- To get a background on electricity from basic physics and chemistry, readBasic electricity, Ohms Law (PDF).

Lecture Slides

- Power dissipation, resistors in series, in parallel: PDF
- Kirchoff's Current and Voltage Laws: PDF
- Voltage dividers and Potentiometers: PDF

Example problems

- Example problem and solution for series and parallel combinations of resistors
- Derive an equation for resistance of a photoresistor as a function of illumination

- In-class example on using a multimeter and a breadboard Slides in PDF

Videos:

- iFixit YouTube video on how to use a multimeter
- Digikey YouTube video on how to use a multimeter
- Colin's lab YouTube video on solderless breadboards and soldering perfboards

(8:00)

(8:00)

(6:45)

Derivation of voltage divider output formula:

How to use a Multimeter: PDF

(13:00)

Using a multimeter to measure potentiometer resistance and voltage output

- PDF with instructions on how to built a circuit to power an LED.

topics/electricity_and_circuits.txt · Last modified: 2020/01/08 14:51 by johnj