Thermal Properties of Matter - Result Question 27
28. An electric kettle takes current at . How much time will it take to boil of water from temperature ? The temperature of boiling water is .
(a)
(b)
(c)
(d)
[2008]
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Answer:
Correct Answer: 28. (a)
Solution:
- (a) Heat required to raise the temperature of
water from to is given by
Power of kettle