Question

an electrical lamp consumes 100 W of power. If the supply voltage is 220 V the energy consumed in 30 minutes is.

Answer 1

$\huge\green{As-Salamu-Alykum}$


___________

Power = 100 W

Voltage =220V

Time =30 minute

T=30 ×60 = 1800sec

Energy =?

Solution :-
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E=Pt

E=100 ×1800

E = 180,000J

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$\huge\orangd{INSHALLAH\;it\;will\;help\;U}$

Answer 2

hey mate here's ur answer

power = 100 W = 0.1 kw

time = 30 mins = 0.5 hr

energy = 0.1*0.5 = 0.05 kwh