A) 0.1 ohm B) 1 ohm C) 10 ohm D) 100 ohm. Ans : (D)
A) 1.00 class B) 10 class C) 5.00 class D) 1000 class. Ans : (A)
A) is strictly constant with load changes B) increases linearly with load C) increases as the square root of the load D) decreases with increased load. Ans : (A)
A) insulation life B) temperature rise C) mechanical stress D) all of the above. Ans : (D)
A) adjustments in primary voltage B) adjustments in secondary voltage C) adjustments in both primary and secondary voltages D) adjustments in power factor. Ans : (C)
A) leakage reactance of windings B) VA rating C) transformation ratio D) winding resistance. Ans : (A)
A) Hot rolled grain oriented steel B) Cold rolled grain oriented steel C) Cast steel D) Aluminium. Ans : (B)
A) 50% B) 60% C) 80% D) 95%. Ans : (D)
A) More number of turns B) Low terminal voltage and higher current rating C) Easy access D) Low insulation. Ans : (B)
A) small hysteresis loop B) high retentivity C) low coercive force D) steepy rising magnetization curve. Ans : (B)