Physics
The primary coil of a transformer has 800 turns and the secondary coil has 8 turns. It is connected to a 220 V a.c. supply. What will be the output voltage?
Electro-Magnetism
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Answer
Given,
Np = 800
Ns = 8
Ep = 220 V
Es = ?
Now,
Substituting the values in the formula we get,
Hence, output voltage = 2.2 V
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