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प्रश्न
- Complete the following diagram of a transformer and name the parts labelled A and B.
- Name the part you have drawn to complete the diagram in part (a).
- What is the material of this part named above?
- Is this transformer a step up or step down? Give reason.
उत्तर
- A is the primary coil. B is the secondary coil.
- We have drawn laminated core in the diagram.
- The material of this part is soft iron.
- This transformer a step-down transformer because the number of turns in primary coil is much greater than that in the secondary coil.
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संबंधित प्रश्न
Draw a labelled diagram to show the various components of a step-up transformer.
Draw a labelled diagram of a step-up transformer and explain how it 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.
Give two points of difference between a step-up transformer and step-down transformer.
Name the transformer used in the power generating station and state the function of the transformer.
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.
