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1. MIRA Basic Amateur Radio Course Chapter 2: GETTING DOWN TO BASICS
HC0200.ppt
2. 4 Basic Concepts 1. Magnets
2 Conductors and Insulators
3 Voltage, Current & Resistance
4 Batteries and Generators
Examine informally to find out what we already know about electricity.
3. 1 Magnets Attract metal
North / South Poles
Permanent /Temporary
Used in motors & electric switches
5. 2 Insulators & Conductors Conductors carry electricity
Insulators resist flow
Conductors metals
Insulators non-metal
Semiconductors in between materials
6. 3 Voltage, Current, Resistance Measure the behavior of electrical circuits
-- Voltage ---- Pressure
-- Current ---- Rate of Flow
-- Resistance ---- Opposition
Follow strict mathmatical rules
7. 4 Batteries and Generators Batteries - portable power
Rechargeable or not
Generators Used for most electric power generation
Have generator/alternator in the car!
17. Ch 2 Basic Concepts EOF Your instructors will supply you with questions to be completed at home to firm up your understanding of these concepts.
If you have difficulties contact one of the instructors as indicated on your phone list.
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