Transformers Losses which occur in rotating electric machines and do not occur in trans formers are friction and windage losses magnetic losses copper losses hysteresis and eddy current losses friction and windage losses magnetic losses copper losses hysteresis and eddy current losses 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 and equal to the primary current one-fourth the primary current four times the primary current equal to the primary current one-fourth the primary current and equal to the primary current one-fourth the primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers To step 110 V ac down to 20 V ac, the turns ratio must be 18 0.018 5.5 0.18 18 0.018 5.5 0.18 ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Turn ratio Total equivalent resistance Total equivalent leakage reactance Copper losses Turn ratio Total equivalent resistance Total equivalent leakage reactance Copper losses 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 A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is 0.2 5 0.4 25 0.2 5 0.4 25 ANSWER DOWNLOAD EXAMIANS APP
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