Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Eddy current loss Leakage reactance Copper loss Iron losses Eddy current loss Leakage reactance Copper loss Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The secondary of a current transformer is always short-circuited under operating conditions because it None of these protects the primary circuit is safe to human beings avoids core saturation and high voltage induction None of these protects the primary circuit is safe to human beings avoids core saturation and high voltage induction ANSWER DOWNLOAD EXAMIANS APP
Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be Ns (Ns-l)s s.N. (l-s)Ns Ns (Ns-l)s s.N. (l-s)Ns ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Voltage Power Time period Frequency Voltage Power Time period Frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers The principle of working of transformer is Self induction Mutual induction Static induction Dynamic induction Self induction Mutual induction Static induction Dynamic induction 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 0 V 6 V 48 V 0.75 V 0 V 6 V 48 V 0.75 V ANSWER DOWNLOAD EXAMIANS APP
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