Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Leakage reactance Copper loss Iron losses Eddy current loss Leakage reactance Copper loss Iron losses Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. None of the listed here 400 W 200 W 100 W None of the listed here 400 W 200 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Transformers In a power or distribution transformer about 10 per cent end turns are heavily insulated to reflect the line surge and save the winding of a transformer from damage to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns None of these to absorb the line surge voltage and save the winding of transformer from damage to reflect the line surge and save the winding of a transformer from damage to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns None of these to absorb the line surge voltage and save the winding of transformer from damage ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural air cooling is generally restricted for transformers up to 15 MVA 50 MVA 1.5 MVA 5 MVA 15 MVA 50 MVA 1.5 MVA 5 MVA ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers up to a rating of 1000 kVA 3000 kVA 250 kVA 500 kVA 1000 kVA 3000 kVA 250 kVA 500 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 4 μH 2 mH 2 μH 8 μH 4 μH 2 mH 2 μH 8 μH ANSWER DOWNLOAD EXAMIANS APP
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