An electric heating coil rated at 1Kw is used to heat 2kg of water for 2 minutes. The initial water temperature is 30\(^o\)C. Taking the specific heat of the water as 4,000Jkg \(^{-1}\) and neglecting that of the container, the final water temperature is
a
15.0\(^o\)C
b
45.0\(^o\)C
c
52.5\(^o\)C
c
60.0\(^o\)C
Explanation
Correct Option
bVideo Explanation
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Discussions (5)
Tenyjireh
1 year ago
I thought 1Kw is equal to 1000watts
so how come in the explanation 1kw is equal to 100W
