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प्रश्न
Complete the following diagram of a transformer and name the parts labeled A and B. Name the part you have drawn to complete the diagram . What is the material of this part? In this transformer a step-up or step-down? Why?
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उत्तर
The part drawn to complete the diagram is the core.
Material of core is soft-iron .
It is a step down transformer because the number of turns in the primary is more than the number of turns in the secondary.
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