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प्रश्न
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.
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उत्तर
A step-down transformer is used in a portable radio in order to reduce the voltage.
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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.
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.
Name the transformer used in the power generating station and state the function of the transformer.
Define step up and step down transformer.
The output current of a transformer in which the voltage is stepped down is usually higher than the input current. Explain why.
