Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 88 V 8.8 V 8,800 V 880 V 88 V 8.8 V 8,800 V 880 V 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 25 W 2.5 W 0 W 250 W 25 W 2.5 W 0 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are somewhat smaller about the same much smaller much higher somewhat smaller about the same much smaller much higher ANSWER DOWNLOAD EXAMIANS APP
Transformers When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is 0 V 0.75 V 6 V 48 V 0 V 0.75 V 6 V 48 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Current device Power device Voltage device Main flux device Current device Power device Voltage device Main flux device ANSWER DOWNLOAD EXAMIANS APP
Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Power transformer Current transformer Auto transformer Voltage transformer Power transformer Current transformer Auto transformer Voltage transformer ANSWER DOWNLOAD EXAMIANS APP