Transformers A transformer has 200 W as iron loss at full load. The iron loss at full load. The iron loss at half full load will be 200 W 50 W 400 W 100 W 200 W 50 W 400 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of more than 15 A None of these 15 A less than 15 A more than 15 A None of these 15 A less than 15 A ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ Apparent power Leakage reactance Reactive power None of the listed here Apparent power Leakage reactance Reactive power None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Time period Frequency Power Voltage Time period Frequency Power Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Power device Voltage device Main flux device Current device Power device Voltage device Main flux device Current device ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural air cooling is generally restricted for transformers up to 15 MVA 1.5 MVA 50 MVA 5 MVA 15 MVA 1.5 MVA 50 MVA 5 MVA ANSWER DOWNLOAD EXAMIANS APP
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