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Electricity

Blazing goIITian

Joined:	21 Dec 2007
Post:	1025

30 Jun 2008 20:46:27 IST

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1109

CAPACITOR

None

hcv - 2

page 167

Q-25 (b)

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Comments (10)

MUSKAAN

Blazing goIITian

Joined: 16 Jan 2008

Posts: 620

1 Jul 2008 20:11:44 IST

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sm1 reply...me too having prob in it

BALGANESH

Blazing goIITian

Joined: 21 Dec 2007

Posts: 1025

2 Jul 2008 16:45:51 IST

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someone plzzz

#$nishi$#

Cool goIITian

Joined: 26 Dec 2007

Posts: 97

3 Jul 2008 08:36:11 IST

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draw the charge from any one battery

using mesh analysis

-q/2-q/4+24-12=0

3q/4=12

q=16c

Va-Vb=-q/2

=-16/2uf

=-8V answer

akshay A NEW BEGINNING...

Blazing goIITian

Joined: 25 Dec 2007

Posts: 1104

3 Jul 2008 08:37:38 IST

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ya agree wid nishi.tiwari..

shubham sunder

Blazing goIITian

Joined: 4 Jun 2007

Posts: 434

4 Jul 2008 15:42:21 IST

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what is mesh analysis???
i did'nt get how the third line was derived???

chinmay

Cool goIITian

Joined: 5 Jun 2008

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4 Jul 2008 17:41:03 IST

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hey nishi,
can u pls explain???

#$nishi$#

Cool goIITian

Joined: 26 Dec 2007

Posts: 97

4 Jul 2008 20:24:19 IST

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sorry frnds i have actually used wrong word there

the equation i had wrritten is just by using krichoff's voltage law

sorry but if u want to know abt mesh analysis visit this

http://utwired.engr.utexas.edu/rgd1/lesson07.cfm

AyuSH jaiN ##

Cool goIITian

Joined: 30 Dec 2007

Posts: 31

4 Jul 2008 21:33:53 IST

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take the charge from batteryy then apllying krichoff law

then the equation is
-q/2-12-q/4+24=0

on solving this
we get

q ===16

then
v(a)-v(b) = -q/2
=-16/2
=-8v
if i m corect rate me

AtuL SinhA

Hot goIITian

Joined: 21 Mar 2008

Posts: 128

5 Jul 2008 13:50:37 IST

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ans is -8 V jst use kirchoff's law

Somye---- elegance personified

Hot goIITian

Joined: 19 Jul 2007

Posts: 107

5 Jul 2008 14:14:43 IST

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using KVL for the loop

we get 24- q/4- 12- q/2=0

q=16

again using KVL for a to b

now Va + 16/2 - Vb =0

Va-Vb = -8 V (ans)

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