Equivalent resistance

JEE Advanced Preparation › Electricity and magnetism questions › Equivalent resistance

Find the equivalent resistance of the following group of resistances between A and B. Each resistance of the circuit is R

#Physics #Electricity and magnetism

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18 Answers

1

parnika -1 ·2009-07-13 22:05:32

in the part 1 ....can we use concept of wheat stone bridge....????????

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62

Lokesh Verma ·2009-07-16 22:53:50

see the pink points and the red points

they are at equal potential.

so they can be joined....

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1

Rohan ·2009-07-16 21:54:32

actually ....................the question misses one resistance ......and this question becomes tougher than the original question .......and so i tried it too ......but couldn't solve it ...........so i posted it here
if anybody's still interested ...please solve the first one.
please..

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106

Asish Mahapatra ·2009-07-14 10:24:50

Q2.

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1

parnika -1 ·2009-07-14 10:01:49

rohan check u r first digram i thnk u are missing one resistance...!!!

i knw frm where these q are......

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1

parnika -1 ·2009-07-14 09:59:36

ya i got it......5r/7.......but i thnk my metod is diff ....can nybody else ....post it his/her method???

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1

aposlil ·2009-07-14 08:16:26

Kisi ka 1st vala aaya?? I got the first one though.. simple use of symmetery.

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1

Rohan ·2009-07-14 01:11:10

answers are a.5.7R b. 9R/14

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1

parnika -1 ·2009-07-13 22:06:24

rohan ji.........ans to post karo..!!!!!

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1

Rohan ·2009-07-01 09:56:03

arey koi to jawaab do na !!!

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1

Rohan ·2009-07-11 03:27:11

the source is not a book .....sir ne class main diye hain

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24

eureka123 ·2009-07-11 02:05:34

@parnika
where is the symmetry in part 1) ????
can u recheck this question???

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1

parnika -1 ·2009-07-10 23:20:51

tihs is really gud q ..........i dont understand why does not nyone try to solve it.

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1

parnika -1 ·2009-07-07 22:09:26

eureka did u try this q.....?????

in the first fig can we use perpendicular symmertry...???

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24

eureka123 ·2009-07-05 20:22:21

tell me the source dude...............these are gr8 questions....

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1

parnika -1 ·2009-07-05 11:18:03

this is for' b' one......even im stuck in 'a'....its.....really awesum q......worth trying..!!!!!!!!!

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1

parnika -1 ·2009-07-05 11:15:45

the ans....is 9r/14???//

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3

iitimcomin ·2009-07-04 18:56:51

second 1 apply symmetry arguments.............

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Your Answer

Basic Integral Calculus Operators Symbols Matrix Cases

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