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L1 -Circuit symbols
Kapow!
Created on December 12, 2023
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Transcript
Circuit symbols
©2023 Kapow Primary
www.kapowprimary.com
©2022 Kapow Primary
www.kapowprimary.com
Contents
Using symbols
Electrical circuit symbols
Checking circuit symbols
Modelling a circuit
©2022 Kapow Primary
www.kapowprimary.com
©2022 Kapow Primary
www.kapowprimary.com
Using symbols
Click on the image to reveal the questions.
©2023 Kapow Primary
www.kapowprimary.com
©2022 Kapow Primary
www.kapowprimary.com
Click on the anagram to reveal information about the component and its symbol.
Electrical circuit symbols
pnoe tiswhc
riew
tbayter
lcle
trmoo
zzuerb
ulbb
edsclo tiswhc
©2023 Kapow Primary
www.kapowprimary.com
©2022 Kapow Primary
www.kapowprimary.com
Checking circuit symbols
Wire: connects components in an electrical circuit.
Open switch: breaks the circuit.
Cell: a single portable power source.
Battery: more than one cell as a power source.
Buzzer: makes a noise.
Motor: moves.
Closed switch: completes the circuit.
Bulb: lights up.
©2023 Kapow Primary
www.kapowprimary.com
©2022 Kapow Primary
www.kapowprimary.com
Modelling a circuit
Click on the structures to see how they model a circuit.
A boiler with a pump heats and pushes water through the pipes.
Pipes.
Water flows in the pipes.
A radiator transfers heat from the pipes to the room.
©2023 Kapow Primary
www.kapowprimary.com
©2022 Kapow Primary
www.kapowprimary.com
A boiler with a pump heats and pushes water through the pipes.
- The boiler is like the battery.
- It pushes water like the battery pushes electrical charge.
- Energy is transferred here.
Why do people use symbols?
A radiator transfers heat from the pipes to the room.
- The radiator is like the bulb or other components in the circuit.
- Water flows through the radiator just like electrical charge flows through the bulb.
- Energy is transferred here so heat is given out in the room just like light is given out in the bulb.
Cell
A single, portable power source.
Wire
Joins components in an electrical circuit.
Battery
More than one cell used in a circuit.
Closed switch
Completes the circuit.
- How long would it take an electrician to draw proper pictures of the components?
- What if electricians chose their own symbols?
- What problems may happen if electricians shared diagrams across different countries?
Open switch
Breaks the circuit.
Water flows in the pipes.
- The flow of water is like the flow of electrical charge.
- Water is contained within the pipes, just like electrical charge is contained within the wires.
Bulb
Lights up in a complete circuit.
Pipes.
- The pipes are like the wires of the circuit.
- They do not move but allow something to flow inside (water inside the pipes and electrical charge inside the wires).