Transformers If a transformer core has air gaps, then, _________ Reluctance of magnetic path is decreased Hysteresis loss is decreased Magnetising current is greatly increased Eddy current is increased Reluctance of magnetic path is decreased Hysteresis loss is decreased Magnetising current is greatly increased Eddy current is increased ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when load on it decreases load on it increases None of these load remains constant load on it decreases load on it increases None of these load remains constant ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test of a transformer helps us to find its Full load cu loss Iron loss Cu loss at no load None of the listed here Full load cu loss Iron loss Cu loss at no load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the coefficient of coupling for a transformer in which 4% of the total flux generated in the primary does not pass through the secondary? 0.4 4 0.96 9.6 0.4 4 0.96 9.6 ANSWER DOWNLOAD EXAMIANS APP
Transformers Power transformers are generally designed to have maximum efficiency around half-load near full-load 10% overload no-load half-load near full-load 10% overload no-load ANSWER DOWNLOAD EXAMIANS APP
Transformers Leakage flux in a transformer occurs because Transformer is not an efficient device Applied voltage is sinusoidal Iron core has high permeability Air is not a good magnetic insulator Transformer is not an efficient device Applied voltage is sinusoidal Iron core has high permeability Air is not a good magnetic insulator ANSWER DOWNLOAD EXAMIANS APP
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