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Questions and Answers
What is the primary function of a transformer?
What is the primary function of a transformer?
Which component of a transformer is responsible for inducing EMF?
Which component of a transformer is responsible for inducing EMF?
What does the term 'input voltage' refer to in the context of a transformer?
What does the term 'input voltage' refer to in the context of a transformer?
How does a transformer utilize mutual induction?
How does a transformer utilize mutual induction?
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Which statement about the commutator in a transformer is true?
Which statement about the commutator in a transformer is true?
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Study Notes
Transformers
- Transformers are devices used to step up or step down input voltage.
- They use mutual induction to change voltage.
- A transformer has a primary coil and a secondary coil.
- A changing current in the primary coil creates a changing magnetic field.
- This changing magnetic field induces a voltage in the secondary coil.
- The voltage in the secondary coil depends on the number of turns in the coils.
- A commutator helps maintain the direction of current.
- Electromagnetic field (EMF) generates potential difference.
- Transformers have three main parts: primary coil, secondary coil, and core.
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Description
This quiz covers the fundamentals of transformers, including their structure and function. It highlights how transformers use mutual induction to change voltage and the importance of the primary and secondary coils. Test your understanding of these essential components in electrical systems.
