Electrical Resistance
- What is electrical resistance?
- What are the electrical properties of
- conductors
- insulators
- semiconductors
- What is the unit of electrical resistance? What symbol is used to represent this unit?
- How are EMF (voltage), current (amps), and resistance related? Who is this relationship named after?
- Suppose that your lamp operates at 120 volts, and uses a 50 watt bulb. How much current does it use?
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