J jas_singh Member Joined Jun 7, 2010 Messages 36 Reaction score 0 Oct 13, 2010 #1 3 A transformer is rated at 10kW but is only delivering 9.8kW. Copper losses are 0.33kW and Iron losses are 0.2kW. Calculate the efficiency of the transformer. 99% 88.6% 98% 90.4% this is the correct answer but why???
3 A transformer is rated at 10kW but is only delivering 9.8kW. Copper losses are 0.33kW and Iron losses are 0.2kW. Calculate the efficiency of the transformer. 99% 88.6% 98% 90.4% this is the correct answer but why???
J johninlondon1 Senior Member Joined Feb 4, 2011 Messages 380 Reaction score 0 Oct 8, 2011 #2 98 per cent 9.8/10 x 100 = 98 per cent
