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![[Post New]](/templates/default/images/icon_minipost_new.gif) 25 Mar 2008 21:16:18 IST
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What will happen if the polarities of the spherical condensor are reversed????
will d capacity decrease or increase??????
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25 Mar 2008 21:16:55 IST
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what do u yourself think about that ?
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25 Mar 2008 21:27:05 IST
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will dere b 2 capacities 1 b/w outer & inner spherical shells n other b/w outer shell n outside medium
then how 2 find the resultant capacity?????/
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25 Mar 2008 21:59:12 IST
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experts plz reply
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25 Mar 2008 23:25:01 IST
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can noone answer??????????
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26 Mar 2008 06:48:52 IST
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It will remain same
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Krishna Gopal Singh
B.Tech Chemical Engg
IIT Delhi 2002
Currently doing PhD from IIT Delhi |
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26 Mar 2008 15:33:15 IST
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sir how will it remain same???
can u explain????????
we cannot neglect the electric field and so the capacity between outer shell and the outside medium........
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26 Mar 2008 15:58:36 IST
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I think the capacitance of a spherical capacitor remains the same even if change the polarity of the spherical shells. But if the shell which is earthed changes capacitace also changes.
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26 Mar 2008 15:59:09 IST
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I think the capacitance of a spherical capacitor remains the same even if change the polarity of the spherical shells. But if the shell which is earthed changes capacitace also changes.
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26 Mar 2008 16:12:04 IST
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thn how to find the resultant capacity if polarity as well as earthing are changed???????
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suppose thwe inner sphere is eaethed the potential of the inner sphere is taken zero and the capacitance depends only on the radius of the outer sphere. But if the outer sphere is earthed then the potenital diference between the shells and the capacitance too, depend on the radii of the innerand outer spheres .
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26 Mar 2008 16:34:54 IST
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thanx bt can u give the formula of resultant capacitance??
i think it will change........
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26 Mar 2008 22:34:57 IST
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Please see the link below
http://ncert.nic.in/sites/learning%20basket/electricity/electricity/electrostatics/spherical_cap_content.htm
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