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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.
Identify the type of transformer used for the above purpose.
उत्तर
Step down transformer
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संबंधित प्रश्न
Draw a labelled diagram of a step-up transformer and explain how it works.
The following diagram shows the core of a transformer and its input and output connections.
- State the material used for core and describe its structure.
- Complete the diagram of the transformer and connections by labelling all parts joined by you.
- Name the transformer: step-up or step down?
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.
In a step up transformer ______.
Name the coil of which the wire is thicker in a step up transformer. Give reason to your answer.
Differentiate step up and step down transformer.
The transformation ratio in the step-up transformer is ______
Name the device used to transform 12 V a.c. to 200 V a.c.
Name the tranformer used in the power sub-station, state the function of each transfomer.
