Transformers When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is 120 V 240 V 2,400 V 12 V 120 V 240 V 2,400 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Noise level test in a transformer is a routine test None of these type test special test routine test None of these type test special test ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum efficiency of a distribution transformer is at 50% full load at no load at 80% full load at full load at 50% full load at no load at 80% full load at full load ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer is always made on ______ Low voltage winding Either low or high voltage winding High voltage winding None of the listed here Low voltage winding Either low or high voltage winding High voltage winding None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Distribution transformers are generally designed for maximum efficiency around 90% load 25% load 50% load Zero load 90% load 25% load 50% load Zero load ANSWER DOWNLOAD EXAMIANS APP
Transformers In a certain loaded transformer, the secondary voltage is one-fourth the primary voltage. The secondary current is four times the primary current equal to the primary current one-fourth the primary current one-fourth the primary current and equal to the primary current four times the primary current equal to the primary current one-fourth the primary current one-fourth the primary current and equal to the primary current ANSWER DOWNLOAD EXAMIANS APP
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