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Alpha Heater Keeps You Warm in Small Spaces Easily
This article experiences my empirical measurements to estimate the effectivity of a portable induction hob and of an electric kettle heating water to a temperature below boiling point. A identified amount of water was heated for 100 seconds and its temperature change was measured. The electrical energy consumed was measured utilizing a plug-in power meter. The determine for electrical energy is an estimate of the average, as a result of neither the induction hob nor the kettle consumed precisely constant energy. The facility studying for the kettle was 2.142 kW close to the start of heating and had fallen to 2.122 kW after about 70 seconds. In general it declined slightly as heating proceeded. Power readings for the induction hob had been from 2.032 kW to 2.042 kW. Table 2 reveals values calculated from these measurements, together with the general effectivity. The heat energy within the water was calculated using 4.18 kJ/kg as the specific heat of water. The electrical vitality was calculated by multiplying the facility studying from the facility meter by the time the power was applied (a hundred seconds).
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