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DC Circuits

Capacitors

• Energy in capacitors
• Energy in our capacitor

Conductors: a microscopic model

Current

• Current: measuring the flow of charge
• Question

Fluid Flow

• An analogy with fluid flow

Batteries

• How a battery works
• A lead-acid battery

Ohm's Law and Resistance

• Resistance
• Temperature dependence of resistance

Power

• Power
• The Cost of Electricity
• Resistance of a light bulb

Resistor Combinations

• Resistors in series or parallel
• Sample series calculation
• Sample parallel calculation

Resistor Combinations

• Two bulbs in series
• Bulbs and Switches
• Combination circuits
• Sample combination example

Examples

• Five resistors