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प्रश्न
What type of transformer is used in a mobile phone charger?
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उत्तर
A step-down transformer is used in mobile phone chargers.
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संबंधित प्रश्न
Which coil of a step up transformer is made thicker and why?
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Applying e.m. f to primary coil is 210 V. If the number of turns in primary coil is 200 turns and that of in secondary coil is 20 turns, then find out the output voltage. Name the type of transformer.
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