Question
What type of switch is represented by component 3 in figure T-2?
Answer Options
- A) Single-pole single-throw
- B) Single-pole double-throw
- C) Double-pole single-throw
- D) Double-pole double-throw
Correct Answer: A
Explanation
The components here are:
- Power
- Fuse
- Single-pole single-throw Switch
- Transformer
- Diode
- Polarized (e.g. Electrolytic) capacitor
- Resistor
- Light-Emitting Diode (LED)
- Variable Resistor (Potentiometer)
- Zener Diode
A switch is characterized by how many different circuits it switches in parallel (throw) and how many different states it has (poles).
Some resources:
https://www.amplifiedparts.com/tech-articles/switch-poles-and-throws
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