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प्रश्न
Name the device used to transform 12 V a.c. to 200 V a.c.
उत्तर
A step-up transformer is the name of this device.
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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.
Name the transformer used in the power generating station and state the function of the transformer.
The transformation ratio in the step-up transformer is ______
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.
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.
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.
The output current of a transformer in which the voltage is stepped down is usually higher than the input current. Explain why.
Name the tranformer used in the power sub-station, state the function of each transfomer.
