Transformers The no load primary current is about ______of full load primary current. 3-5% 30-40% Above 40% 15-30% 3-5% 30-40% Above 40% 15-30% ANSWER DOWNLOAD EXAMIANS APP
Transformers In a power or distribution transformer about 10 per cent end turns are heavily insulated to absorb the line surge voltage and save the winding of transformer from damage to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns to reflect the line surge and save the winding of a transformer from damage None of these to absorb the line surge voltage and save the winding of transformer from damage to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns to reflect the line surge and save the winding of a transformer from damage None of these 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 primary turns to secondary turns secondary induced e.m.f. to primary induced e.m.f. secondary current to primary current secondary terminal voltage to primary applied voltage primary turns to secondary turns secondary induced e.m.f. to primary induced e.m.f. secondary current to primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers A Buchholz relay can be installed on Auto transformer Air-cooled transformer Welding transformer Oil cooled transformer Auto transformer Air-cooled transformer Welding transformer Oil cooled transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Burden of a current transformer is usually expressed in Amperes Volt amperes Kilowatt Volts Amperes Volt amperes Kilowatt Volts ANSWER DOWNLOAD EXAMIANS APP
Transformers The iron core is used to ______of the transformer. Reduce core loss Provide tight magnetic coupling Increase the wight None of the listed here Reduce core loss Provide tight magnetic coupling Increase the wight None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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