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प्रश्न
A transformer is used to change a high alternating e.m.f. to a low alternating e.m.f. of the same frequency.
State whether the turns ratio of the above transformer is = 1 or > 1 or < 1.
उत्तर
Less than 1.
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संबंधित प्रश्न
Name the principal on which step up transformer works.
Draw a labelled diagram of a step-up transformer and explain how it works.
In a step-up transformer, the number of turns in the primary are ______ than the number of turns in the secondary.
Give two points of difference between a step-up transformer and step-down transformer.
Differentiate step up and step down transformer.
A portable radio has a built in transformer so that it can work from the mains instead of batteries. Is this a step up or step down transformer? Give reason.
Explain two types of transformer.
Below is the diagram of a transformer:
- Identify the type of transformer.
- In this type of transformer which of the wire is thicker, the primary or the secondary? Give a reason.
A transformer is used to change a high alternating e.m.f. to a low alternating e.m.f. of the same frequency.
Identify the type of transformer used for the above purpose.
Name the coil of which the wire is thicker in a step down transformer. Give reason to your answer.
