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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

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