Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 88 V 880 V 8,800 V 8.8 V 88 V 880 V 8,800 V 8.8 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Burden of a current transformer is usually expressed in Amperes Volts Kilowatt Volt amperes Amperes Volts Kilowatt Volt amperes ANSWER DOWNLOAD EXAMIANS APP
Transformers An open-circuit test on a transformer is conducted primarily to measure copper loss total loss core loss insulation resistance copper loss total loss core loss insulation resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Main flux device Voltage device Current device Power device Main flux device Voltage device Current device Power device ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Thermal overload relays Conservator Breather Horn gaps Thermal overload relays Conservator Breather Horn gaps ANSWER DOWNLOAD EXAMIANS APP
Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 20 A 10 A 5 A 15 A 20 A 10 A 5 A 15 A ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS