Transformers A tap changer is used on a transformer for Adjustments in secondary voltage Adjustment in both primary and secondary None of the listed here Adjustment in primary voltage Adjustments in secondary voltage Adjustment in both primary and secondary None of the listed here Adjustment in primary voltage 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 four times the primary current one-fourth the primary current and equal to the primary current one-fourth the primary current equal to the primary current four times the primary current one-fourth the primary current and equal to the primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformers to determine temperature stray losses None of these all-day efficiency temperature stray losses None of these all-day efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is decreased, ______loss is decreased Copper Hysteresis Eddy current Friction Copper Hysteresis Eddy current Friction 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 more than 15 A less than 15 A 15 A None of these more than 15 A less than 15 A 15 A None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will have zero efficiency at None of the listed here Full load No load Half full load None of the listed here Full load No load Half full load ANSWER DOWNLOAD EXAMIANS APP
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