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? 88 V 880 V 7.3 V 73 V 88 V 880 V 7.3 V 73 V ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ Has same number of primary and secondary turns None of the listed here Has no losses and leakage reactance Does not work Has same number of primary and secondary turns None of the listed here Has no losses and leakage reactance Does not work ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has None of these reduced magnetic leakage high eddy current losses negligibly hysteresis losses None of these reduced magnetic leakage high eddy current losses negligibly hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The steel used for transformer core has High silicon content Low hysteresis loss All of the listed here High permeability High silicon content Low hysteresis loss All of the listed here High permeability ANSWER DOWNLOAD EXAMIANS APP
Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Auto transformer Power transformer Current transformer Voltage transformer Auto transformer Power transformer Current transformer Voltage transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The power efficiency of a lightning transformer is always ______its all day efficiency. Equal to Higher than None of the listed here Less than Equal to Higher than None of the listed here Less than ANSWER DOWNLOAD EXAMIANS APP
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