Transformers The winding of the transformer with greater number of turns will be _____ Either high or low voltage winding High voltage winding Low voltage winding None of the listed here Either high or low voltage winding High voltage winding Low voltage winding None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the resistance between its primary and secondary is Zero 1 ohm 1000 ohms Infinite Zero 1 ohm 1000 ohms Infinite ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ None of the listed here Does not work Has same number of primary and secondary turns Has no losses and leakage reactance None of the listed here Does not work Has same number of primary and secondary turns Has no losses and leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers If a transformer has 50 turns in the primary winding and 10 turns in the secondary winding, what is the reflective resistance if the secondary load resistance is 250 ? 25 Ω 62500 Ω 250 Ω 6250 Ω 25 Ω 62500 Ω 250 Ω 6250 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Power transformer Current transformer Potential transformer Auto transformer Power transformer Current transformer Potential transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 65% 75% 85% 95 % 65% 75% 85% 95 % ANSWER DOWNLOAD EXAMIANS APP