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![[Post New]](/templates/default/images/icon_minipost_new.gif) 4 Apr 2008 21:22:21 IST
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Does emf has electrostatic origin??
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4 Apr 2008 21:26:43 IST
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U CAN SAY IT
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From shadows a light shall spring
Renewed shall be blade that's broken
The crown less again shall be king.
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4 Apr 2008 21:27:58 IST
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how??
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4 Apr 2008 21:28:22 IST
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what is the meaning of this ques ??
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all the best ... |
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4 Apr 2008 21:45:01 IST
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SEE IN ELECROSTATICS THE EMF=POTENTIOL DIFFERENCE
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From shadows a light shall spring
Renewed shall be blade that's broken
The crown less again shall be king.
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6 Apr 2008 14:45:04 IST
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EMF= POTENTIAL DIFFERENCE
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6 Apr 2008 15:03:25 IST
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wat????
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<TABLE CELLSPACING="1" CELLPADDING="1" BORDER="0">
<TR><TD>
   
<DIV ALIGN="right">Glitter Graphics</DIV></TD></TR></TABLE>
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6 Apr 2008 17:45:09 IST
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I think emf is usaually associated with cells and is one of the basic charecteristics to estimate the utility of a cell. As per definition it is the terminal potential difference of the cell in open circuits. It does not imply the presence of a charge accumulation.
Poential difference in general are associated with charge distributions or accumulations.
To be more specific potential difference is in general a field proprty and emf is a measure of the ability of a cell to generate a terminal potential difference under specific conditions.
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6 Apr 2008 19:40:16 IST
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r p.d and e.mf one and same thing always..
i studied in x tht e.mf is oftenly larger than p.d..
and tht is due to the fact tht battery is also not a perfect conductor..and has some internal resistance..which has to be subtracted from e.m.f to get the p.d value..
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Diamonds r formed under greatest pressures..
so r the champs.
Kriteesh..
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6 Apr 2008 19:57:00 IST
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PD and emf r 2 different quantities whose magnitudes may be equal in certain conditions.
The emf is the work done per unit charge by battery force which is non-electrostatic in nature.
The PD originates from the electrostatic field created by the charges accumulated on the terminals of the the battery.
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it is not important where u stand, but in which direction u are moving |
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