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प्रश्न
In a step-up transformer, the number of turns in the primary are ______ than the number of turns in the secondary.
उत्तर
In a step-up transformer, the number of turns in the primary are less than the number of turns in the secondary.
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संबंधित प्रश्न
Name the principal on which step up transformer 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.
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.
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.
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.
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.