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Transformer has windings
The incoming voltage from the source to the transformer is called primary voltage.
the solar transformer is called soundwave.
An earthing transformer provides a neutral in a delta connected system.
Transformer turns ratio
In a transformer it is known as the transformer core.
A transformer that increases voltage is a step-up transformer.
Cybertron
A transformer can only increase or decrease the voltage of an alternating current, and it is called step-up transformer or step-down transformer accordingly.
fly-back transformer.
The device used to increase or decrease the voltage of an electric circuit is a step up transformer or a step down transformer respectively. A Variable Resistor
Injecting power into the higher voltage winding of a transformer will make it act as a step down transformer; injecting power into the lower voltage winding will make it act as a step up transformer. A transformer can be used both ways.