Transformers The all day efficiency of a transformer is also called its None of the listed here Energy efficiency Power efficiency Current efficiency None of the listed here Energy efficiency Power efficiency Current efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 load. The turns ratio is 3:1. What is the secondary voltage? 20 V 180 V 2 V 18 V 20 V 180 V 2 V 18 V 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 7.3 V 73 V 880 V 88 V 7.3 V 73 V 880 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer is generally suitable for ______ None of the listed here High voltage and high output Low voltage and high output High voltage and small output None of the listed here High voltage and high output Low voltage and high output High voltage and small output ANSWER DOWNLOAD EXAMIANS APP
Transformers The iron core is used to ______of the transformer. None of the listed here Provide tight magnetic coupling Increase the wight Reduce core loss None of the listed here Provide tight magnetic coupling Increase the wight Reduce core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 85% 95 % 65% 75% 85% 95 % 65% 75% ANSWER DOWNLOAD EXAMIANS APP
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