Heat and Thermal ExpansionHard
Question
Time taken by a 836 W heater to heat one litre of water from 10oC to 40oC is
Options
A.50 s
B.100 s
C.150 s
D.200 s
Solution
Let t be the time taken, then
= 1000 × 1 × (40 - 10) [using Q = mst]
⇒ t = 150 sec.
= 1000 × 1 × (40 - 10) [using Q = mst]⇒ t = 150 sec.
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