Transformer » Exercise - 15. Transformer cores are laminated in order to : (a) simplify its construction (b) minimise eddy current loss (c) reduce cost (d) reduce hysteresis loss
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 - 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
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 - 1 1. A transformer transforms : (a) frequency (b) voltage (c) current (d) voltage and current