Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 2 mH 8 μH 2 μH 4 μH 2 mH 8 μH 2 μH 4 μH ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be saturation of core mechanical vibrations fluctuating load poor insulation saturation of core mechanical vibrations fluctuating load poor insulation ANSWER DOWNLOAD EXAMIANS APP
Transformers The principle of working of transformer is Self induction Static induction Mutual induction Dynamic induction Self induction Static induction Mutual induction Dynamic induction ANSWER DOWNLOAD EXAMIANS APP
Transformers The dielectric strength of transformer oil is expected to be 33 kV 100 kV lkV 330 kV 33 kV 100 kV lkV 330 kV 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 None of these 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 to absorb the line surge voltage and save the winding of transformer from damage None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load ratio of a 50 Hz single phase transformer is 6000/250 V. The maximum flux in the core is 0.06 Wb. What is the number of primary turns? 900 210 450 350 900 210 450 350 ANSWER DOWNLOAD EXAMIANS APP
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