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10 questions from this quiz
To change voltage of AC
Links magnetic field between coils
Faraday's Law
NsNp\frac{N_s}{N_p}NpNs
More turns on secondary than primary
Decreases voltage
Using a laminated iron core
Easily magnetised and demagnetised
To reduce current and minimise I2RI^2RI2R loss
P=I2RP = I^2 RP=I2R
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