Transformers If 25 W of power are applied to the primary of an ideal transformer with a turns ratio of 10, the power delivered to the secondary load is 0 W 2.5 W 250 W 25 W 0 W 2.5 W 250 W 25 W ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is the main advantage of an auto-transformer over a two winding transformer? Saving in winding material Hysteresis losses are reduced Eddy losses are totally eliminated Copper losses are negligible Saving in winding material Hysteresis losses are reduced Eddy losses are totally eliminated Copper losses are negligible ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 200 W None of the listed here 400 W 100 W 200 W None of the listed here 400 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Transformers In a power or distribution transformer about 10 per cent end turns are heavily insulated to absorb the line surge voltage and save the winding of 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 reflect the line surge and save the winding of a transformer from damage to absorb the line surge voltage and save the winding of 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 reflect the line surge and save the winding of a transformer from damage ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has None of these negligibly hysteresis losses reduced magnetic leakage high eddy current losses None of these negligibly hysteresis losses reduced magnetic leakage high eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Noise level test in a transformer is a None of these special test routine test type test None of these special test routine test type test ANSWER DOWNLOAD EXAMIANS APP