Transformers

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What do transformers use to change potential difference?
Electromagnetic induction
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Which type of current do transformers only work on?
AC
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What three things do transformers need to work?
Primary coil, secondary coil and an iron core
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What do step-up transformers do?
Step up voltage
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Which coil has more turns in a step-up transformer?
Secondary coil
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What do step-down transformers do?
Step down voltage
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Which coil has more turns in a step-down transformer?
Primary coil
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Which coil produces a magnetic field?
Primary coil
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Where does the magnetic field stay in a transformer?
In the iron core
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In which coil is the alternating current?
Primary coil
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What does the rapidly changing field induce?
An alternating potential difference across the secondary coil
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What does the iron core do?
Transfers the changing magnetic field from the primary to the secondary coil
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Does electricity flow round the iron core?
No
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Other cards in this set

Card 2

Front

Which type of current do transformers only work on?

Back

AC

Card 3

Front

What three things do transformers need to work?

Back

Preview of the front of card 3

Card 4

Front

What do step-up transformers do?

Back

Preview of the front of card 4

Card 5

Front

Which coil has more turns in a step-up transformer?

Back

Preview of the front of card 5
View more cards

Comments

Dyett2000

Why have you made this?!

Divyamshu

This is the best resource i have ever used ever. It will remain in me for ever. Me encanta tu recurso. Gracias!

Divyamshu

This is the best resource i have ever used ever. It will remain in me for ever. Me encanta tu recurso. Gracias!

kennedylily

In response to Dyett2000 I made this because it is part of the GCSE Physics AQA spec and it's quite a hard topic to understand

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