A bulb when connected across 200 V supply it consumes 100 W power. Calculate the amount of power consumed if the same bulb is connected across 400 V supply ?
Answers
Answered by
0
Answer:
Resistance of the bulb R=
P
V
2
where P=100W and V=200 V.
∴ R=
100
(200)
2
=400Ω
Actual power consumption P
′
=
R
V
1
2
where V
1
=160 V
∴ P
′
=
400
(160)
2
=64W
Answered by
0
Answer:
the answer of this question is 700 V supply
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