Questions
Time taken by a 896 W heater to heat one litre of water from 10°C to 40°C is
a
50 s
b
100 s
c
150 s
d
200 s
detailed solution
Correct option is C
Let t, be the time taken- Then836×t=1×4⋅2×103×(40−10)t=30×4⋅2×103836≈150sTalk to our academic expert!
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