No-load on a transformer is carried out to determine
A) copper loss
B) magnetising current
C) magnetising current and loss
D) efficiency of the tr
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Q2: In a transformer the energy is conveyed
Q3: A transformer core is laminated to
A)reduce hysteresis
Q4: The degree of mechanical vibrations produced by
Q5: The no-load current drawn by transformer is
Q6: The path of a magnetic flux in
Q8: The dielectric strength of transformer oil is
Q9: Sumpner's test is conducted on trans-formers to
Q10: The permissible flux density in case of
Q11: The efficiency of a transformer will be
Q12: No-load current in a transformer
A)lags behind the
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