Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Auto transformer Current transformer Voltage transformer Power transformer Auto transformer Current transformer Voltage transformer Power transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the resistance between its primary and secondary is Infinite Zero 1000 ohms 1 ohm Infinite Zero 1000 ohms 1 ohm ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum flux produced in the core of a transformer is ______ Inversely proportional to primary voltage Directly proportional to supply frequency Inversely proportional to supply frequency None of the listed here Inversely proportional to primary voltage Directly proportional to supply frequency Inversely proportional to supply frequency None of the listed here 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? 880 V 7.3 V 88 V 73 V 880 V 7.3 V 88 V 73 V 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 When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is 6 V 48 V 0 V 0.75 V 6 V 48 V 0 V 0.75 V ANSWER DOWNLOAD EXAMIANS APP
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