As a bicycle pump inflates a tyre, it pressure rises from 30 kPa to 40 kPa at constant temperature of 30 °C. By assuming the air
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Answer:
Explanation:
V = Voltage = 230 V
I = Current = 1.8 A
= Temperature change =
t = Time taken = 2 minutes
m = Mass of liquid = 750 g
c = Specific heat capacity of the liquid
Energy required to heat the water is equal to the heat released due to current passing
The specific heat capacity of the liquid is