Transformer » Exercise - 13. In an ideal transformer : (a) windings have no resistance (b) core has no losses (c) core has infinite permeability (d) all of the above
Transformer » Exercise - 18. If the primary power of an ideal transformer having a 2:1 voltage ratio is 100 W, the secondary power is : (a) 50 W (b) 75 W (c) 100 W (d) 200 W
Transformer » Exercise - 111. No-load test on a transformer is carried out to determine : (a) copper loss (b) magnetising current (c) magnetising current and no-load loss (d) efficiency of the transformer
Transformer » Exercise - 112. The main purpose of performing open-circuit test on a transformer is to measure its : (a) Cu loss (b) core loss (c) total loss (d) insulation resistance