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More cards in this set
Card 6
Front
When an electric current flows in a wire it creates what around the wire?
Back
Card 7
Front
How do you make an electromagnet stronger? (3 points)
Back
Card 8
Front
What is a relay?
Back
Card 9
Front
Voltage is produced when a magnet moves inside a coil of wire, what is this called?
Back
Card 10
Front
How do you increase electromagnetic induction? (3 points)
Back
Card 11
Front
What is a simple electric motor made of?
Back
Card 12
Front
Why must the direction of the current be reversed every half turn?
Back
Card 13
Front
What part of the motor is responsible for this?
Back
Card 14
Front
How does a generator induce a current? (with a magnet and a coil of wire)
Back
Card 15
Front
How does a bicycle dynamo work?
Back
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