If a transformer is a STEP-UP transformer, the primary coil will have ____ turns than the secondary coil
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Card 7
Front
In a TRANSFORMER an alternating _______ is applied to the primary coil. This causes an alternating magnetic field to be set up in the core. Because the secondary coil is within the magnetic field it induces an alternating _______. What is the missing word
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Card 8
Front
Why do the national grid use transformers to REDUCE THE CURRENT?
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Card 9
Front
How do transformers REDUCE THE CURRENT?
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Card 10
Front
Electrical power =
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Card 11
Front
When a magnet is spun inside a coil in a DYNAMO a potential difference is produced between the two ends of the coil causing a _______ to flow
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Card 12
Front
In a GENERATOR the slip rings are connected to
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Card 13
Front
In a GENERATOR the brushes connect the spinning slip rings to
