Electricity

Blazing goIITian

Joined: 8 Sep 2011
Post: 437
27 Mar 2012 23:48:53 IST
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electrostat
Engineering Entrance , Medical Entrance , NEET , JEE Main , AIIMS , JEE Main & Advanced , Physics , Electricity

 A charge q is placed at the centroid of an equilateral triangle. Three equal charges Q are placed at the vertices of the triangle. The system of four charges will be in equilibrium if q is equal to



Comments (11)


Blazing goIITian

Joined: 21 Mar 2012
Posts: 1457
27 Mar 2012 23:54:24 IST
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just a min.

Blazing goIITian

Joined: 21 Mar 2012
Posts: 1457
28 Mar 2012 00:03:36 IST
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what is the ans,
kartikAIR1's Avatar

Blazing goIITian

Joined: 2 Mar 2012
Posts: 308
28 Mar 2012 00:06:29 IST
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-Q/ROOT3

Blazing goIITian

Joined: 8 Sep 2011
Posts: 437
28 Mar 2012 00:07:57 IST
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 ans is -Q/root3.... how did u get it?


Blazing goIITian

Joined: 21 Mar 2012
Posts: 1457
28 Mar 2012 00:13:34 IST
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JUST BALANCE THE FORCE ON ANY ONE OF THE CHARGE

Blazing goIITian

Joined: 21 Mar 2012
Posts: 1457
28 Mar 2012 00:21:46 IST
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YEAH ANOTHER SIMPLEST METHOD FIND TOTAL ENERGY OF SYSTEM AND PUT IT ZZZZZZZZZZZEEEEEEEEEEEEEEEEEEEEEERRRRRRRRRROOOOOOOOOOOOOOOOOOOOO

Blazing goIITian

Joined: 21 Mar 2012
Posts: 1457
28 Mar 2012 00:23:14 IST
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IN SECOND LAST METHOD YOU HAVE TO DO MATHEMATICAL CALCULATION BUT HERE BY LAST IS SIMPLEST

Blazing goIITian

Joined: 21 Mar 2012
Posts: 1457
28 Mar 2012 00:25:15 IST
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GOT IT OR NOT.???????????

Blazing goIITian

Joined: 8 Sep 2011
Posts: 437
28 Mar 2012 00:29:23 IST
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got it.. energy method...

Blazing goIITian

Joined: 21 Mar 2012
Posts: 1457
28 Mar 2012 00:35:04 IST
1 people liked this

YUPS NOW LIKE

Blazing goIITian

Joined: 8 Sep 2011
Posts: 437
22 Apr 2012 11:43:16 IST
0 people liked this

l



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