53) In a transformer, if the number of turns in the secondary winding is twice that in the primary winding, the secondary voltage will be :

54) Which one of the following can be increased by using a step-up transformer ?

55) In 1 kVA transformer the number of turns per volt is 8. What is the number of turns in high voltage side, If the voltage is 110 V ?

56) What is the full load current of 1 KVA, 240V/120V single phase transformer at 0.8 p.f.?

57) Which among the following transformers, is used for starting the big induction motor ?