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A transformer is used to step up an alte...

A transformer is used to step up an alternating emf of 200V to 440V. If the primary coil has 1000 turns, calculate the number of turns in the secondary coil.

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To solve the problem of finding the number of turns in the secondary coil of a transformer, we can use the transformer equation which relates the number of turns in the primary and secondary coils to their respective voltages. ### Step-by-Step Solution: 1. **Identify the Given Values:** - Voltage in the primary coil (Vp) = 200 V - Voltage in the secondary coil (Vs) = 440 V - Number of turns in the primary coil (Np) = 1000 turns ...
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