Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 8.8 V 880 V 8,800 V 88 V 8.8 V 880 V 8,800 V 88 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Burden of a current transformer is usually expressed in Amperes Kilowatt Volt amperes Volts Amperes Kilowatt Volt amperes Volts ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of cooling a power transformer is oil cooling Any of these natural air cooling air blast cooling oil cooling Any of these natural air cooling air blast cooling 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 5 0.2 25 0.4 5 0.2 25 0.4 ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Current device Voltage device Power device Main flux device Current device Voltage device Power device Main flux device ANSWER DOWNLOAD EXAMIANS APP
Transformers If a transformer core has air gaps, then, _________ Reluctance of magnetic path is decreased Magnetising current is greatly increased Eddy current is increased Hysteresis loss is decreased Reluctance of magnetic path is decreased Magnetising current is greatly increased Eddy current is increased Hysteresis loss is decreased ANSWER DOWNLOAD EXAMIANS APP
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