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प्रश्न
State two characteristics of the primary coil as compared to its secondary coil of a step-up transformer.
उत्तर
Two characteristics of the primary coil as compared to its secondary coil:
- The number of turns in the primary coil is less than the number of turns in the secondary coil.
- A thicker wire is used in the primary coil as compared to that in the secondary coil.
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.
- 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.
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 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.
Define step up and step down 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.
The output current of a transformer in which the voltage is stepped down is usually higher than the input current. Explain why.
