Question

a kettle has used power of rating 2200 watts and is used 80 seconds calculate the total energy transferred

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Answer 1

Given that - P = 2200 watt

T = 80 sec

E = ?

by the formula , P = E / T

E = P X T = 2200 X 80 = 176000 joules

E = 176 kJ...

hoped so u got the ans...

Answer 2

P=2200W T=80 Seconds

Enery transfered = Work Done.

Power= Work÷Time

So, Work=Energy =Power×Time

So, E=2200×80=176,000 Joules=176 Kj

So , energy transfer is of 176 kj

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