A 2 kW, 40 litres water heater is switched on for 20 minutes. The heat capacity c, for water is 4.2 kJ/kgK. Assuming all the electrical energy has gone into heating the water, What is the increase of the water tem

A 2 kW, 40 litres water heater is switched on for 20 minutes. The heat capacity c, for water is 4.2 kJ/kgK. Assuming all the electrical energy has gone into heating the water, What is the increase of the water tem

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

A 2 kW, 40 litres water heater is switched on for 20 minutes. The heat capacity c, for water is 4.2 kJ/kgK. Assuming all the electrical energy has gone into heating the water,

What is the increase of the water temperature in degree centigrade?

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