1.

The input and output voltages of a transformer are220 V and 44 V respectively. Find (a) the turnsratio, (b) the current in input circuit if the outputcurrent is 2 A.Ans. (a) 1:5 (b) 0.4 A

Answer»

we know thatV₁/V₂= I₂/I₁= N₁/N₂current = 0.4A

turns ratio will be N1/N2= 220/441/5



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