Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 8,800 V 8.8 V 880 V 88 V 8,800 V 8.8 V 880 V 88 V ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ Does not work Has no losses and leakage reactance Has same number of primary and secondary turns None of the listed here Does not work Has no losses and leakage reactance Has same number of primary and secondary turns None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The short circuit test helps us to find None of the listed here Cu loss at any desire load Cu loss at no load Iron loss at no load None of the listed here Cu loss at any desire load Cu loss at no load Iron loss at no load ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer operates poorly at very low frequencies because _____ None of the listed here Permeability of core is increased Primary reactance is too much increased Magnetising current is abnormally high None of the listed here Permeability of core is increased Primary reactance is too much increased Magnetising current is abnormally high ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has high eddy current losses negligibly hysteresis losses None of these reduced magnetic leakage high eddy current losses negligibly hysteresis losses None of these reduced magnetic leakage ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Frequency Power Current Voltage Frequency Power Current Voltage ANSWER DOWNLOAD EXAMIANS APP
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