Transformers Efficiency of a power transformer is of the order of 25 per cent 98 per cent 100 per cent 50 per cent 25 per cent 98 per cent 100 per cent 50 per cent 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 1,020 W 0 W 111.5 W 14.1 W 1,020 W 0 W 111.5 W ANSWER DOWNLOAD EXAMIANS APP
Transformers Which type of winding is used in 3phase shell-type transformer? Sandwich type Circular type Rectangular type Cylindrical type Sandwich type Circular type Rectangular type Cylindrical type ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because it _______ Is a static device Uses electric coupling Uses inductive coupling Uses capacitive coupling Is a static device Uses electric coupling Uses inductive coupling Uses capacitive coupling ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Leakage reactance Iron losses Eddy current loss Copper loss Leakage reactance Iron losses Eddy current loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Power transformers are generally designed to have maximum efficiency around 10% overload half-load no-load near full-load 10% overload half-load no-load near full-load ANSWER DOWNLOAD EXAMIANS APP