Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 880 V 8,800 V 88 V 8.8 V 880 V 8,800 V 88 V 8.8 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its dielectric strength of oil copper loss temperature rise voltage ratio dielectric strength of oil copper loss temperature rise voltage ratio ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are much higher about the same much smaller somewhat smaller much higher about the same much smaller somewhat smaller ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load current of a transformer has has small magnitude and high power factor has high magnitude and high power factor has high magnitude and low power factor has small magnitude and low power factor has small magnitude and high power factor has high magnitude and high power factor has high magnitude and low power factor has small magnitude and low power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Frequency Time period Power Voltage Frequency Time period Power Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 10 A 15 A 5 A 20 A 10 A 15 A 5 A 20 A ANSWER DOWNLOAD EXAMIANS APP
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