What is the purpose of a load in an electrical circuit?
To allow electrons to enter at the source and leave at the return or earth ground
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The unit of current?
The amp; the symbol for amp is “A”.
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What are the types of bulbs?
Incandescent light bulbs, fluorescent lamps and LED’s (light-emitting diodes)
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fairy
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thief
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What is the symbol for ohm?
Ω
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TRUE OR FALSE: Series circuits have components connected in multiple paths.
FALSE
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What is the best conductor but very expensive?
Silver
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What is a series circuit?
A type of circuit that electrons flow along only one wire.
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Give one example of an intermediate energy: another kind of energy that transforms into electricity and then electricity transforms into another different kind of energy.
Hydro-electric dams that transform the energy of moving water into electricity.
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gift
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fairy
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lifesaver
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What is an electrical circuit?
A closed path that allows electrons to flow from a voltage or current source.
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thief
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What is the amount of electrons that flow along the circuit?
Current or current intensity or current density.
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What materials are very good conductors?
Copper and aluminium
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What are the three basic elements for a circuit to be functional?
A conducting wire, a source of power and an appliances.
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What is a parallel circuit?
A type of circuit that some current flows along one path and some current along the other path.
