10/28/2009

Week 8

This week we talked about electricity which is the flow of electrical energy through a conductive material.
- Electronic makes use of electrical properties to convey information
- Current (I)
- Voltage (v)
- Resistance (R)
- Power (w) watt

This forms the basis of Ohm's law.
- Short circuit must be avoided, it is when you connect positive and negative of battery without forming a circuit
- Conductors are materials through which electrical current moves freely (copper, silver, gold)
- Insulators (wood, plastic)
- DC (direct current), AC (alternating current)
- spst switch
- Diodes allow the flow of electricity in one direction
- Voltage regulators filter and lower the input voltage to 5 volts

Assignment:


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