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Electrical system - Coggle Diagram
Electrical system
Resistance
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Higher resistance, lower power
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Arrangement of circuits
Series
- Each component is joined one after the other to form a single path
- The current that flows through each of the component is the same
- If one bulb is removed or broken, no current flows. The other bulbs do not light up becuz the circuit is now open
Parallel
- Prallel circuit divides into 2 or more branches and has electrical components in each branch
- The current from the battery divides and flows through each branch
- If one bulb is removed or broken, the other bulbs remain lit becuz the circuit remains closed.
Resistors
In parallel, total resistance decrease
In series, total resistance increase
Effects
Heating (electrical energy -> heat energy). Higher resistance, more heat generated.
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Chemical
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Extration of metals
Solid compound heated until it melts. Electric current passed through the molten compound which breaks down to give the metal.
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Materials
Insulators
non-metals such as plastic, wood etc
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If open, then its an incomplete(open) circuit
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