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प्रश्न
State whether true or false. If false, correct the statement.
In a step down transformer the number of turns in primary coil is greater than that of the number of turns in the secondary coil.
पर्याय
True
False
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उत्तर
In a step down transformer the number of turns in primary coil is greater than that of the number of turns in the secondary coil- True
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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 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.
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?
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.
Define step up and step down transformer.
A transformer is used to change a high alternating e.m.f. to a low alternating e.m.f. of the same frequency.
State whether the turns ratio of the above transformer is = 1 or > 1 or < 1.
Name the device used to transform 12 V a.c. to 200 V a.c.
State two characteristics of the primary coil as compared to its secondary coil of a step-up transformer.
Name the coil of which the wire is thicker in a step down transformer. Give reason to your answer.
