Transformers The maximum load that a power transformer can carry is limited by its copper loss dielectric strength of oil voltage ratio temperature rise copper loss dielectric strength of oil voltage ratio temperature rise ANSWER DOWNLOAD EXAMIANS APP
Transformers Burden of a current transformer is usually expressed in Kilowatt Volt amperes Amperes Volts Kilowatt Volt amperes Amperes Volts ANSWER DOWNLOAD EXAMIANS APP
Transformers Efficiency of a power transformer is of the order of 25 per cent 50 per cent 98 per cent 100 per cent 25 per cent 50 per cent 98 per cent 100 per cent ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ Decreases copper losses None of the listed here Cause voltage drop in the windings Increase copper losses Decreases copper losses None of the listed here Cause voltage drop in the windings Increase copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are somewhat smaller much higher much smaller about the same somewhat smaller much higher much smaller about the same ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 3-5% Above 40% 30-40% 15-30% 3-5% Above 40% 30-40% 15-30% ANSWER DOWNLOAD EXAMIANS APP
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