Homework:
- Act 18A, p.201 Intro DC Electricity
- Act 18B, p.207 Simpler Equivalent Circuits
- Act 18C, p.209 Potential Dividers
- Act 18D, p.211-213 Using Ohm's Law
Current
Current is the rate of flow of Charge
I = Δq/Δt
Current
Voltage
Voltage (Potential Difference) is the change in energy (work done) to each coulomb of charge between two points on a circuit, or two points across an electric field
Circuit Symbols
Ohm's Law
Ohm's Law
Series & Parallel Circuits
Series & Parallel Circuits
Electric Power
P = IV
P = I2R ← using Ohm’s Law V=IR substitution
P = V2/R←using Ohm’s Law I=V/R substitution
D.C. Motor How it Works?
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