The output voltage of a transformer connected to 220 volt line is 1100 volt at 2 amp current. Its efficiency is 100%. The current coming from the line is
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a
20 A
b
10 A
c
11 A
d
22 A
answer is B.
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Detailed Solution
For 100% efficiency Vsis=Vpip⇒1100×2=220×ip⇒ip=10A