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Questions and Answers
What does the SPST relay symbol represent?
What does the SPST relay symbol represent?
What does the symbol for a connected wire indicate?
What does the symbol for a connected wire indicate?
The symbol for a push button switch normally open indicates a switch that is closed.
The symbol for a push button switch normally open indicates a switch that is closed.
False
What is the function of the earth ground symbol?
What is the function of the earth ground symbol?
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A wire is made of a single electrical ______.
A wire is made of a single electrical ______.
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What does the SPDT toggle switch symbolize?
What does the SPDT toggle switch symbolize?
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What is the main purpose of relays?
What is the main purpose of relays?
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Study Notes
Electrical and Electronics Symbols
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Wires and Connections
- Electric wire symbol represents a single conductor.
- Connected wire symbol indicates wires that are connected when crossing.
- Not connected wire symbol shows wires that are not connected at a crossing.
- Difference between a wire (single conductor) and a cable (multiple conductors bundled).
Relay Symbols
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SPST Relay
- Symbol signifies a relay that closes connections using an electromagnet.
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SPDT Relay
- Represents a relay that opens connections via electromagnetic control.
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Function of Relays
- Relays act as electrically operated switches that open and close circuits, receiving signals from external sources.
Earthing Symbols
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Earth Ground
- Symbol denotes zero potential reference for electrical shock protection.
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Chassis Ground
- Indicates a wire connected to the chassis of the circuit.
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Digital Ground
- Refers to the voltage reference for digital signals in an analog framework.
Switch Symbols
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SPST Toggle Switch
- Symbol indicates a switch that disconnects current when open.
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SPDT Toggle Switch
- Represents a switch that selects between two connections.
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Push Button Switch (N.O.)
- Denotes a momentary, normally open switch used for temporary connections.
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Push Button Switch (N.C.)
- Represents a momentary, normally closed switch that interrupts current when pressed.
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DIP Switch
- Symbol used for a dual in-line package switch typically used for configuring devices.
General Electrical Principles
- Ground serves as the reference point in circuits, from which voltages are measured. It can be a return path for current or a connection to the earth.
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Description
Test your knowledge on various electrical and electronics symbols with this comprehensive quiz. Covering topics from wire and relay symbols to earthing symbols, this quiz will help reinforce your understanding of essential concepts in electronics. Perfect for students and professionals alike!
