In an ideal transformer , the no. of turns in primary & secondary are 200 & 1000 respectively .If power input to primary is 10kW at 200V.Calculate
i)output voltage
ii)current in primary
Ans) NP/NS = VP/VS
200/1000 = 200/VP ; Vp = 1000V
P=IV; 10000=200*I
I = 50 A