Transformers The amount of copper in the primary is _______that of secondary. None of the listed here Smaller than Greater than About the same as None of the listed here Smaller than Greater than About the same as ANSWER DOWNLOAD EXAMIANS APP
Transformers The turns ratio required to match an 80 source to a 320 load is 2 4 20 80 2 4 20 80 ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ Leakage flux is small Losses are small Applied voltage and frequency are constant Iron core is used Leakage flux is small Losses are small Applied voltage and frequency are constant Iron core is used 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 0 W 2.5 W 25 W 250 W 0 W 2.5 W 25 W 250 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. None of the listed here Less than The same as More than None of the listed here Less than The same as More than ANSWER DOWNLOAD EXAMIANS APP
Transformers When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is 12 V 2,400 V 240 V 120 V 12 V 2,400 V 240 V 120 V ANSWER DOWNLOAD EXAMIANS APP
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