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प्रश्न
Name the transformer used in the power generating station and state the function of the transformer.
उत्तर
Step-up transformer. In power generating stations the alternating current generated is first stepped up from 11 kV to 132 kV.
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संबंधित प्रश्न
Name the principal on which step up transformer works.
Draw a labelled diagram of a device you would use to transform 200 V a.c. to 15 V a.c. Name the device and explain how it works. Give its tow uses.
In a step-up transformer, the number of turns in the primary are ______ than the number of turns in the secondary.
In a step up transformer ______.
Name the coil of which the wire is thicker in a step up transformer. Give reason to your answer.
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.
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.
State two characteristics of the primary coil as compared to its secondary coil of a step-up transformer.
Name the tranformer used in the power sub-station, state the function of each transfomer.
