Transformers How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V? 9 V 0.9 V 90 V 900 V 9 V 0.9 V 90 V 900 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ Leakage reactance Reactive power None of the listed here Apparent power Leakage reactance Reactive power None of the listed here Apparent power ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformer to determine Stray losses None of the listed here Temperature All day efficiency Stray losses None of the listed here Temperature All day efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is 0.75 V 6 V 0 V 48 V 0.75 V 6 V 0 V 48 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Leakage reactance Iron losses Winding resistance Copper losses Leakage reactance Iron losses Winding resistance Copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Magnetostriction Hum Zoom Boo Magnetostriction Hum Zoom Boo ANSWER DOWNLOAD EXAMIANS APP
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