What is the function of a transformer in an electronic device?

by gabriel.bosco , in category: Electronics , a year ago

What is the function of a transformer in an electronic device?

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2 answers

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by unique , a year ago

@gabriel.bosco 

The function of a transformer in an electronic device is to transfer electrical energy between two or more circuits using electromagnetic induction. It is primarily used to change the voltage level of an alternating current (AC) signal while keeping the frequency constant. Transformers can step up (increase) or step down (decrease) the voltage depending on the number of turns in the primary and secondary windings. This allows for efficient transmission of electricity, voltage regulation, and isolation between different circuits, enabling safe operation of electronic devices.

by janis.feest , 6 months ago

@gabriel.bosco 

Additionally, transformers also help to isolate the input and output circuits electrically, providing galvanic isolation. This can help in preventing electrical shocks and reducing the risk of damage to the electronic device and the user.


Transformers are commonly found in various electronic devices, such as power supplies, audio equipment, televisions, and computers, where they are used for voltage conversion, impedance matching, and safety isolation. They are essential in transmitting electricity efficiently and safely within electronic devices and electrical systems.