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More cards in this set
Card 6
Front
What is the function of a voltmeter?
Back
Card 7
Front
Current only flows in................. through a diode
Back
Card 8
Front
Why are LED's (light emitting diodes) useful?
Back
Card 9
Front
The resistance of a .............. decreases as temperature increases
Back
Card 10
Front
What is AC and what does it do?
Back
Card 11
Front
What is DC and what does it do?
Back
Card 12
Front
Why are some cables called three-core cables?
Back
Card 13
Front
What are the names of the three wires that are composed within a cable?
Back
Card 14
Front
Why is the earth wire called an earth wire and what is the colour of the wire?
Back
Card 15
Front
What is the colour of the live wire?
Back
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