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Questions and Answers
What is a device that is used to transfer electrical energy between two or more circuits through electromagnetic induction, known as?
What is a device that is used to transfer electrical energy between two or more circuits through electromagnetic induction, known as?
- Transference
- Conductor
- Transformer (correct)
- Converter
What happens to the current in a transformer when the voltage is increased?
What happens to the current in a transformer when the voltage is increased?
- The current remains the same
- The current increases
- The current decreases (correct)
- The current fluctuates
Which of the following is a primary function of a transformer?
Which of the following is a primary function of a transformer?
- To convert AC to DC
- To generate electrical energy
- To increase or decrease voltage levels (correct)
- To store electrical energy
In a transformer, what are the two coils called?
In a transformer, what are the two coils called?
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Study Notes
Transformers
- A device that transfers electrical energy between two or more circuits through electromagnetic induction is known as a transformer.
Transformer Operation
- When the voltage is increased, the current in a transformer decreases.
Primary Function
- The primary function of a transformer is to change the voltage of an alternating current electrical signal.
Coils of a Transformer
- The two coils of a transformer are called the primary coil and the secondary coil.
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