Transformers A no-load test is performed on a transformer to determine magnetising current efficiency copper loss magnetising current and loss core loss magnetising current efficiency copper loss magnetising current and loss core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of less than 15 A 15 A None of these more than 15 A less than 15 A 15 A None of these more than 15 A ANSWER DOWNLOAD EXAMIANS APP
Transformers An open-circuit test on a transformer is conducted primarily to measure total loss insulation resistance core loss copper loss total loss insulation resistance core loss copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer is generally suitable for ______ High voltage and small output Low voltage and high output None of the listed here High voltage and high output High voltage and small output Low voltage and high output None of the listed here High voltage and high output ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Frequency Power Voltage Time period Frequency Power Voltage Time period ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Total losses Copper losses Friction losses Iron losses Total losses Copper losses Friction losses Iron losses ANSWER DOWNLOAD EXAMIANS APP
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