Transformers Which of the following parts of a transformer is visible from outside? Primary winding Secondary winding Bushings Core Primary winding Secondary winding Bushings Core ANSWER DOWNLOAD EXAMIANS APP
Transformers The voltage transformation ratio of a transformer is equal to the ratio of secondary current to primary current primary turns to secondary turns secondary induced e.m.f. to primary induced e.m.f. secondary terminal voltage to primary applied voltage secondary current to primary current primary turns to secondary turns secondary induced e.m.f. to primary induced e.m.f. secondary terminal voltage to primary applied voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Potential transformer Auto transformer Step-up transformer Current transformer Potential transformer Auto transformer Step-up transformer Current transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Power Frequency Time period Voltage Power Frequency Time period Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer is generally suitable for ______ Low voltage and high output High voltage and high output High voltage and small output None of the listed here Low voltage and high output High voltage and high output High voltage and small output None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The turns ratio required to match an 80 source to a 320 load is 4 20 80 2 4 20 80 2 ANSWER DOWNLOAD EXAMIANS APP
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