Transformers The maximum efficiency of a distribution transformer is at full load at 50% full load at 80% full load at no load at full load at 50% full load at 80% full load at no load ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when load on it increases load remains constant load on it decreases None of these load on it increases load remains constant load on it decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be (Ns-l)s (l-s)Ns Ns s.N. (Ns-l)s (l-s)Ns Ns s.N. ANSWER DOWNLOAD EXAMIANS APP
Transformers To step 110 V ac down to 20 V ac, the turns ratio must be 18 0.018 5.5 0.18 18 0.018 5.5 0.18 ANSWER DOWNLOAD EXAMIANS APP
Transformers The eddy current loss in a transformer is directly proportional to _______. Thickness of core lamination Square of thickness of core lamination The supply frequency The flux density in the core Thickness of core lamination Square of thickness of core lamination The supply frequency The flux density in the core ANSWER DOWNLOAD EXAMIANS APP
Transformers In a certain transformer, the input power to the primary is 120 W. If 8.5 W are lost to the winding resistance, what is the output power to the load, neglecting any other issues? 14.1 W 111.5 W 0 W 1,020 W 14.1 W 111.5 W 0 W 1,020 W ANSWER DOWNLOAD EXAMIANS APP
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