A 200W,230V lamp is connected across 115V supply.The lamp will
draw power?
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Answer Posted / sachin prajapati
(1) R=V1^2/P=230^2/200=264.5
V2=115
P=V2^2/R=115^2/264.5=50W
(2) R=264.5
I2=V2/R=115/264.5=0.435
P=V2I2=115×0.435=50.025W
So answer can both
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