Transformers The maximum efficiency of a distribution transformer is at full load at 80% full load at 50% full load at no load at full load at 80% full load at 50% full load at no load ANSWER DOWNLOAD EXAMIANS APP
Transformers The voltage transformation ratio of a transformer is equal to the ratio of secondary terminal voltage to primary applied voltage secondary current to primary current primary turns to secondary turns secondary induced e.m.f. to primary induced e.m.f. secondary terminal voltage to primary applied voltage secondary current to primary current primary turns to secondary turns secondary induced e.m.f. to primary induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test on transformers is conducted to determine copper losses eddy current losses core losses hysteresis losses copper losses eddy current losses core losses hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 15-30% 30-40% Above 40% 3-5% 15-30% 30-40% Above 40% 3-5% ANSWER DOWNLOAD EXAMIANS APP
Transformers Burden of a current transformer is usually expressed in Volts Kilowatt Amperes Volt amperes Volts Kilowatt Amperes Volt amperes ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test of a transformer helps us to find its Cu loss at no load Full load cu loss None of the listed here Iron loss Cu loss at no load Full load cu loss None of the listed here Iron loss ANSWER DOWNLOAD EXAMIANS APP