Transformers When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is 48 V 0 V 0.75 V 6 V 48 V 0 V 0.75 V 6 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is inductive only inductive or resistive capacitive only None of these inductive only inductive or resistive capacitive only None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 65% 95 % 85% 75% 65% 95 % 85% 75% ANSWER DOWNLOAD EXAMIANS APP
Transformers A tap changer is used on a transformer for None of the listed here Adjustments in secondary voltage Adjustment in primary voltage Adjustment in both primary and secondary None of the listed here Adjustments in secondary voltage Adjustment in primary voltage Adjustment in both primary and secondary ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Voltage Power Time period Frequency Voltage Power Time period Frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 15 A 5 A 10 A 20 A 15 A 5 A 10 A 20 A ANSWER DOWNLOAD EXAMIANS APP
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