Transformers The amount of copper in the primary is _______that of secondary. Smaller than Greater than None of the listed here About the same as Smaller than Greater than None of the listed here About the same as ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Frequency Power Current Voltage Frequency Power Current Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of cooling a power transformer is Any of these natural air cooling oil cooling air blast cooling Any of these natural air cooling oil cooling air blast cooling ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 4 μH 2 μH 2 mH 8 μH 4 μH 2 μH 2 mH 8 μH ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer, leakage flux Produces mutually induced emf Is negligible at full load Helps in transfer of energy Is minimised by interleaving the primary and secondary windings Produces mutually induced emf Is negligible at full load Helps in transfer of energy Is minimised by interleaving the primary and secondary windings ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural air cooling is generally restricted for transformers up to 50 MVA 5 MVA 1.5 MVA 15 MVA 50 MVA 5 MVA 1.5 MVA 15 MVA ANSWER DOWNLOAD EXAMIANS APP