A thin walled copper cylindrical flask of mass 170 g which provides perfect insulation and is fitted with a 3 kW heater and filled with water.
The dimensions of the flask are 8 cm diameter and height 12 cm
How long does it take for the heater of raise the temperature of the water from 18oC to 100oC?
If the heater is left on how far will the water level drop in 4 minutes?
How long will it take for the flask to boil dry?
In Physics
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Asked by Adex on 22nd July, 2018
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