Question

calculate the energy consumed 120 watt by toster in 20 minutes ?
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Answer 1

Answer:

144000 J energy will be consumed.

Explanation:

20s=1200s

120watt.

so, 120*1200

=144000.

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Answer 2

Answer:

Explanation:

Hi friend, Here is the required answer:-

I have denoted the symbols of quantities in front of their names.

Power P= 120 Watt

Time t= 20 minutes= 20× 60 s= 1200 seconds

We know that,

Power P = Work W ( or Energy E)/ Time taken t

Then, Energy E= Power P × Time t

So, Energy E= 120 W× 1200= 144000 J or 144 KJ.

Hope this helps you

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