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How does humidity affect conductivity of air?

by AakashPandita
Tags: affect, conductivity, humidity
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AakashPandita
#1
Mar31-14, 11:56 AM
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How does humidity affect conductivity of air?

I am asking this that because I read that dry air is better insulator than normal air.
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berkeman
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Mar31-14, 12:22 PM
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Quote Quote by AakashPandita View Post
How does humidity affect conductivity of air?

I am asking this that because I read that dry air is better insulator than normal air.
Do you find some graphs when you Google the subject?
Chestermiller
#3
Mar31-14, 03:02 PM
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Are you talking about thermal conductivity or electrical conductivity?

Chet

AakashPandita
#4
Mar31-14, 10:19 PM
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P: 137
How does humidity affect conductivity of air?

I was talking about electrical conductivity.
Just after I submitted this thread I found the answer in another page I was reading.
http://www.physicsclassroom.com/clas...and-Insulators
i.e.
Water has a tendency to gradually remove excess charge from objects. When the humidity is high, a person acquiring an excess charge will tend to lose that charge to water molecules in the surrounding air. On the other hand, dry air conditions are more conducive to the buildup of static charge and more frequent electric shocks.


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