34) In three phase transformer, different methods of connections are possible. Which type of connection used in distribution transformer ?

35) Which type of transformer winding has no ohmic resistance and no magnetic leakage resulting in no losses ?

36) The rated value of secondary voltage for single phase and three phase potential transformer as per IS. 3156 shall be

37) In a transformer, the number of turns per volt is 6. The primary and secondary voltages are 240 V and 32 V respectively. Find the number of primary and secondary winding turns ?

38) A 10 kVA transformer is taking a power of 400 watts in open circuit test and 900 watts in short circuit test. What will be the copper loss at 50% of load ?