step-up transformer
What step-up transformer means in Physics GCSE, as defined for AQA, OCR.
Definitions of step-up transformer
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Reference: AQA
A transformer that has more turns on the secondary coil than the primary and is used to increase the potential difference from the power station to the transmission cables.
A transformer that increases the potential difference because it has more turns on the secondary coil than on the primary coil.
A transformer that raises the voltage of the power leaving a power station.
Topics that use step-up transformer
- The National Grid (AQA GCSE)
- Powering Earth (OCR GCSE)
Related terms
- step-down transformer
- Alternating current in the home
- Alternating voltage
- Changing potential difference in power transfer
- Danger of the live wire with an open switch
- Direct voltage
- earth wire
- fossil fuels
Using step-up transformer in the exam
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