Transformers The noise produced by a transformer is termed as ringing zoom hum buzz ringing zoom hum buzz ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load? 7.3 V 73 V 88 V 880 V 7.3 V 73 V 88 V 880 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine eddy current losses copper losses core losses hysteresis losses eddy current losses copper losses core losses hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is 0.4 25 0.2 5 0.4 25 0.2 5 ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its copper loss dielectric strength of oil voltage ratio temperature rise copper loss dielectric strength of oil voltage ratio temperature rise ANSWER DOWNLOAD EXAMIANS APP
Transformers The voltage transformation ratio of a transformer is equal to the ratio of secondary terminal voltage to primary applied voltage secondary induced e.m.f. to primary induced e.m.f. primary turns to secondary turns secondary current to primary current secondary terminal voltage to primary applied voltage secondary induced e.m.f. to primary induced e.m.f. primary turns to secondary turns secondary current to primary current ANSWER DOWNLOAD EXAMIANS APP
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