Transformers The maximum load that a power transformer can carry is limited by its temperature rise copper loss dielectric strength of oil voltage ratio temperature rise copper loss dielectric strength of oil voltage ratio ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 8,800 V 88 V 8.8 V 880 V 8,800 V 88 V 8.8 V 880 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The approximate efficiency of a large transformer is 95% 65% 50% 80% 95% 65% 50% 80% ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer is generally suitable for ______ 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 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be fluctuating load mechanical vibrations poor insulation saturation of core fluctuating load mechanical vibrations poor insulation saturation of core ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 100 W None of the listed here 200 W 400 W 100 W None of the listed here 200 W 400 W ANSWER DOWNLOAD EXAMIANS APP
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