Find the safe limit of current for a bulb rated 50 W, 220 V
Answers
Answered by
1
Answer:
The formula is: Current = watts / volts Therefore, if the light bulb is connected to a ... So current, I =W /V, so it will be 60 watts /220v =0.27 amperes approximately
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Answered by
4
Answer:
P=50W
V=220V
t=20minutes
t=?
∴E=P×t
P=50W=
1000
50
kW=0.05kW
t=20minutes=
60
20
h=
3
1
h
∴E=P×t=0.05×
3
1
=0.016kWh.
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