Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 8 μH 2 mH 4 μH 2 μH 8 μH 2 mH 4 μH 2 μH 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? 0 W 111.5 W 1,020 W 14.1 W 0 W 111.5 W 1,020 W 14.1 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum efficiency of a distribution transformer is at full load at 50% full load at no load at 80% full load at full load at 50% full load at no load at 80% full load ANSWER DOWNLOAD EXAMIANS APP
Transformers The short circuit test helps us to find Cu loss at no load Iron loss at no load Cu loss at any desire load None of the listed here Cu loss at no load Iron loss at no load Cu loss at any desire load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A Buchholz relay can be installed on Welding transformer Oil cooled transformer Auto transformer Air-cooled transformer Welding transformer Oil cooled transformer Auto transformer Air-cooled transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of colling a power transformer is Air blast cooling Oil cooling Natural air cooling Any of the listed here Air blast cooling Oil cooling Natural air cooling Any of the listed here ANSWER DOWNLOAD EXAMIANS APP