Transformers When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is 240 V 120 V 2,400 V 12 V 240 V 120 V 2,400 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The highest voltage for transmitting electrical power in india is 33 kV 132 kV 400 kV 66 kV 33 kV 132 kV 400 kV 66 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer having ratings less than 5kVA are generally ______ Oil cooled Water cooled Natural air cooled None of the listed here Oil cooled Water cooled Natural air cooled None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Conservator Horn gaps Thermal overload relays Breather Conservator Horn gaps Thermal overload relays Breather ANSWER DOWNLOAD EXAMIANS APP
Transformers Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is less than one approximately equal to one None of these great than one less than one approximately equal to one None of these great than one ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when load on it increases None of these load remains constant load on it decreases load on it increases None of these load remains constant load on it decreases ANSWER DOWNLOAD EXAMIANS APP
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