Transformers An ideal transformer is one which has no losses and magnetic leakage core of stainless steel and winding of pure copper metal a common core for its primary and secondary windings interleaved primary and secondary windings no losses and magnetic leakage core of stainless steel and winding of pure copper metal a common core for its primary and secondary windings interleaved primary and secondary windings 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? 1,020 W 14.1 W 111.5 W 0 W 1,020 W 14.1 W 111.5 W 0 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer will be maximum when ______ Leakage reactance of the two winding None of the listed here Copper loss is equal to constant loss Resistance of the two winding are equal Leakage reactance of the two winding None of the listed here Copper loss is equal to constant loss Resistance of the two winding are equal ANSWER DOWNLOAD EXAMIANS APP
Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be (l-s)Ns Ns (Ns-l)s s.N. (l-s)Ns Ns (Ns-l)s s.N. 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 None of these to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns 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 None of these to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns to absorb the line surge voltage and save the winding of transformer from damage ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is increased, the eddy current _____ Is increased None of the listed here Is decreased Remains unchanged Is increased None of the listed here Is decreased Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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