Transformers Which of the following protection is normally not provided on small distribution transformers? Overfluxing protection Overcurrent protection Buchholz relay All of these Overfluxing protection Overcurrent protection Buchholz relay All of these ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load? 88 V 73 V 880 V 7.3 V 88 V 73 V 880 V 7.3 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ None of the listed here Decreases copper losses Cause voltage drop in the windings Increase copper losses None of the listed here Decreases copper losses Cause voltage drop in the windings Increase copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers If 25 W of power are applied to the primary of an ideal transformer with a turns ratio of 10, the power delivered to the secondary load is 250 W 2.5 W 0 W 25 W 250 W 2.5 W 0 W 25 W ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Power Voltage Frequency Current Power Voltage Frequency Current ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Load current Power factor of load Supply frequency Both power factor and load current Load current Power factor of load Supply frequency Both power factor and load current ANSWER DOWNLOAD EXAMIANS APP
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