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Card 16
Front
What is the name given the event where a pd is induced across the ends of the coil of wire?
Back
Card 17
Front
What happens when the polarity of the direction of movement of the wire/ coil is reversed?
Back
Card 18
Front
What is the only conition for a pd to induced during electromagnetic induction?
Back
Card 19
Front
How do you increase the size of the induced pd in electromagnetism?
Back
Card 20
Front
What does a transformer consist of?
Back
Card 21
Front
Explain what happens when an alternating current passes through a primary coil?
Back
Card 22
Front
How does an alternating pd occur in a transformer?
Back
Card 23
Front
Why are coils of wire in a transformer insulated?
Back
Card 24
Front
Why is the core of a transformer made out of iron?
Back
Card 25
Front
What are transformers used in?
Back
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