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 880 V 73 V 7.3 V 88 V 880 V 73 V 7.3 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The amount of copper in the primary is _______that of secondary. Smaller than Greater than About the same as None of the listed here Smaller than Greater than About the same as None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is 5 25 0.2 0.4 5 25 0.2 0.4 ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum efficiency of a distribution transformer is at full load at 80% full load at no load at 50% full load at full load at 80% full load at no load at 50% full load ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will work on Dc only None of the listed here Ac only AC as well as DC Dc only None of the listed here Ac only AC as well as DC 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 one-fourth the primary current and equal to the primary current equal to the primary current four times the primary current one-fourth the primary current one-fourth the primary current and equal to the primary current equal to the primary current four times the primary current ANSWER DOWNLOAD EXAMIANS APP
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