What is resistance a 220v 100w bulb or a 220v 60w bulb
Answers
Answered by
3
We know that
Power = V²/R
R= V²/P
(1) given,
V=220V. P=100W
R= 220×220/100
R= 484 ohm.
(2) given
V=220V. P=60W
R= 220×220/60
R=807 ohm (appx.)
Answered by
1
Answer:
484ohm
Answer: The 220V, 60W bulb has more resistance. R = 220*220/100 = 484ohm (approx.) So, Case 2 has more resistance
Explanation:
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