QUESTION 1 The heater element of an electric kettle has a constant resistance of 26.450 and an applied voltage of 230V. 1.1. Calculate the time taken to raise the temperature of 1.7 liters of water from 27°C to 100°C if only 87% of the power input to the kettle is usefully employed [10]

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QUESTION 1
The heater element of an electric kettle has a constant resistance of 26.450 and an
applied voltage of 230V.
1.1. Calculate the time taken to raise the temperature of 1.7 liters of water from 27°C to
100°C if only 87% of the power input to the kettle is usefully employed
[10]
Transcribed Image Text:QUESTION 1 The heater element of an electric kettle has a constant resistance of 26.450 and an applied voltage of 230V. 1.1. Calculate the time taken to raise the temperature of 1.7 liters of water from 27°C to 100°C if only 87% of the power input to the kettle is usefully employed [10]
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