Transformers When load on a transformer is decreased, ______loss is decreased Copper Eddy current Hysteresis Friction Copper Eddy current Hysteresis Friction ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Copper losses Winding resistance Iron losses Leakage reactance Copper losses Winding resistance Iron losses Leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Total equivalent leakage reactance Turn ratio Copper losses Total equivalent resistance Total equivalent leakage reactance Turn ratio Copper losses Total equivalent resistance 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 None of these 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 to absorb the line surge voltage and save the winding of transformer from damage None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Mica Glass fibre Cellulose Asbestos Mica Glass fibre Cellulose Asbestos ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Power Frequency Current Voltage Power Frequency Current Voltage ANSWER DOWNLOAD EXAMIANS APP
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