Transformers The amount of copper in the primary is _______that of secondary. Greater than Smaller than None of the listed here About the same as Greater than Smaller than None of the listed here About the same as ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Current transformer Auto transformer Potential transformer Power transformer Current transformer Auto transformer Potential transformer Power transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. None of the listed here 200 W 100 W 400 W None of the listed here 200 W 100 W 400 W ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will have zero efficiency at No load Half full load None of the listed here Full load No load Half full load None of the listed here Full load ANSWER DOWNLOAD EXAMIANS APP
Transformers In a certain loaded transformer, the secondary voltage is one-fourth the primary voltage. The secondary current is one-fourth the primary current equal to the primary current one-fourth the primary current and equal to the primary current four times the primary current one-fourth the primary current equal to the primary current one-fourth the primary current and equal to the primary current four times the primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Iron losses Total losses Copper losses Friction losses Iron losses Total losses Copper losses Friction losses ANSWER DOWNLOAD EXAMIANS APP
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