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The primary coil of a transformer has 800 turns and the secondary coil has 8 turns. It is connected to a 220 V ac supply.

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The primary coil of a transformer has 800 turns and the secondary coil has 8 turns. It is connected to a 220 V ac supply. What will be the output voltage?

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In a transformer, Es/ Ep = Ns / Np

Es = Ns / Np × Ep

= \(\frac{8}{800}\)x 220 = \(\frac{220}{100}\) = 2.2 volt

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