lower resistance than the heating element inside the kettle? Explain
Posts Tagged ‘heating element’
Electrical Resistance- Does the wire in the electrical cord of an electric kettle have a higher or ….?
Sunday, June 5th, 2011can someone tell me a step by step process of making electric kettle?
Saturday, April 9th, 2011
how are the base, handle and heating element of an electric kettle made? and what materials are they made of? thanks a lots
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Heat Capacity of Water – Experiment/Laboratory Report Help Needed?
Thursday, April 7th, 2011
Using equations 1 and 4 along with experimental result in section (below) calculate a value of the heat capacity of water. Express your answer in units of J g-1 deg-1 ad assume the density of water at room temperature is 1.0gml-1.
EQUATION 1: q=mCp∆T
EQUATION 4:E=V²t/R
RESULTS SECTION:
Resistance of Heating element in kettle: 33.6MΩ
Temp of de-ionized water in kettle before boiling 22 degrees Celcius.
Water took me 3 minutes and 20 seconds to boil
Im really lost and stuck, if anyone is able to help id love not only the answer but the working so i can in fact try to do it again and see what and how the result was obtained. There is no good if i cant work it out myself in the future. But thank you greatly, i need th answer in relation to my results provided above. In the experiment we had a kettle, and measured the resistance with a multimeter and then boiled the water and timed it etc. Thank you for the help in advance – Sarah
Thank you Gladys its appreciated that you put all that time into helping me understand this. The mass of water used was 1L and the voltage in this country is 240 V (Australia). Thank you, more than I can express. I’m having great trouble with chemistry and am trying to have faith in my ability so thanks again.
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Under what voltage does an electric kettle work?
Tuesday, February 1st, 2011Under what voltage range and what wattage range would a simple electric kettle work at?
Also what would be the resistance value of the heating element in ohms most commonly
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is it possible to make your own electric kettle?
Saturday, January 29th, 2011i will make something kind of an electric kettle/ purifier for my project
it kinda looks like this: http://img708.imageshack.us/img708/9812/75964487.png
i have taken apart an electric kettle to get the heating element (that looks like this: http://www.alibaba.com/product-gs/268404985/stainless_steel_heater_for_kettle.html ) and the thermostats ( http://www.alibaba.com/product-gs/287693706/water_ketttle_thermostats_KST168_T.html ) but i don’t know how to put it together,
i also want to ask,
what is a good container for the "kettle" can i use PVC plastic containers?
what metal can use as my case for the glass?
is Pyrex advisable as the glass inside the case?
i didn’t want to use an electric kettle from the market cause i feel like i’m cheating
and please don’t answer for the sake of 2 points!
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electric water kettles left on cause fire?
Tuesday, January 4th, 2011I have an electric water kettle at work..If it is left on and forgotten to be turned off, will the kettle go on fire or does the heating element just fade out and not work anymore? Some of my co-workers go bonkers if someone does not stand over the kettle until it is boiled and then turn it off. I say that it will just destroy the heating element and won’t go on fire. Of course I realize it is better to turn it off and remember that you are using the kettle. Does anyone agree with me or am I just annoyed at the panic that one of my coworker’s goes into..She has signs all over reminding everyone of this situation..
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What does de-ionised water have to do with measuring the resistance of a heating element?
Thursday, December 23rd, 2010What does de-ionised water have to do with measuring the resistance of a heating element in an electric kettle and measuring the initial and final temperatures? Im lost.. Please help its for chem homework.
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rusted kettle water poisonous?
Saturday, September 4th, 2010is it poisonous to drink water from a rusted pot. the heating element i notice is rusted badly.