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Card 6
Front
When is the direction of the force reversed?
Back
Card 7
Front
In the left hand rule; what does the thumb, the first finger and secong finger represent?
Back
Card 8
Front
What happens if an electrical conductor 'cuts' through a magnetic field?
Back
Card 9
Front
What happens when a magnet is moved into a coil of wire?
Back
Card 10
Front
What does the alternating current in the primary coil produce?
Back
Card 11
Front
In a step-up transformer the potential difference across the secondary coil is...?
Back
Card 12
Front
In a step-down transformer the potential difference across the secondary is...?
Back
Card 13
Front
The potential difference across the primary and secondary coils of a transformer are related by what equation?
Back
Card 14
Front
What does Vp, Vs, Np and Ns stand for?
Back
Card 15
Front
If the transformers are assumed 100% efficient, what can be said about the electrical power output and the electrical power input?
Back
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