Podcast
Questions and Answers
What defines a Step-up transformer?
What defines a Step-up transformer?
- The induced EMF is less than the input signal
- The induced EMF is equal to the input signal
- The primary winding has more turns than the secondary winding
- The secondary winding has more turns than the primary winding (correct)
Which type of transformer has a secondary winding with fewer turns than the primary winding?
Which type of transformer has a secondary winding with fewer turns than the primary winding?
- Core type transformer
- Step-down transformer (correct)
- Shell type transformer
- Step-up transformer
What is the key characteristic that distinguishes a practical transformer from an ideal transformer?
What is the key characteristic that distinguishes a practical transformer from an ideal transformer?
- Number of turns in the windings
- Size of the transformer
- Material used in the core
- Efficiency (correct)
In a Step-down transformer, what can be said about the induced EMF compared to the input signal?
In a Step-down transformer, what can be said about the induced EMF compared to the input signal?
What role does a transformer play in an electrical circuit?
What role does a transformer play in an electrical circuit?
Which type of transformer has its windings wound around a common magnetic core?
Which type of transformer has its windings wound around a common magnetic core?
What distinguishes core type and shell type transformers?
What distinguishes core type and shell type transformers?
Which part of the transformer provides a continuous magnetic path?
Which part of the transformer provides a continuous magnetic path?
What is one of the functions of an electrical transformer in a circuit?
What is one of the functions of an electrical transformer in a circuit?
In which application would you likely find the use of an electrical transformer?
In which application would you likely find the use of an electrical transformer?
What does a transformer do to the voltage level at power generation sites?
What does a transformer do to the voltage level at power generation sites?
Why is preventing the passage of DC from one circuit to another an important function of a transformer?
Why is preventing the passage of DC from one circuit to another an important function of a transformer?
What is the main difference between core type and shell type transformers?
What is the main difference between core type and shell type transformers?
In an ideal transformer, what is the efficiency compared to a practical transformer?
In an ideal transformer, what is the efficiency compared to a practical transformer?
Why is the voltage regulation of a practical transformer always more than 0%?
Why is the voltage regulation of a practical transformer always more than 0%?
What makes an ideal transformer hypothetical and impossible to realize practically?
What makes an ideal transformer hypothetical and impossible to realize practically?
Which type of winding is common in core type transformers?
Which type of winding is common in core type transformers?
What is the primary application of shell type transformers?
What is the primary application of shell type transformers?
