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BabaBlast [244]
3 years ago
15

A 100 watt electric bulb is used for five hours.how much energy is consumed by the bulb​

Biology
2 answers:
Vlad1618 [11]3 years ago
7 0

Answer:

500Whr=0.5kWhr

1Joule=1 Watt×1Sec

100×5×60×60=1.8M joules

LuckyWell [14K]3 years ago
3 0

Answer:

0.5kWh

Explanation:

Given, power of the electric bulb,

P=100W=(100/1000)kW=0.1kW ;

time for which bulb is used, t=5h

As P=

\frac{w}{t}

or W=Pt

or W=0.1kW×5h= 0.5kWh

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