Current Electricity-15

IIT JEE 2015 Papers › Electricity and magnetism questions › Current Electricity-15

If each resistance of 12Î© then find the equivalent resistance between A and B.

#Physics #Electricity and magnetism

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7 Answers

229

Dwijaraj Paul Chowdhury ·2013-07-04 08:17:45

1/24 + 1/24+ 1/36 = 1/R
:. R= 9 ohm

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1133

Sourish Ghosh ·2013-07-04 04:19:20

9Î©

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Akash Anand Good work..make sure you have proper solution/explanation for it.
Upvote·0· Reply ·2013-07-04 06:27:47
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486

Niraj kumar Jha ·2013-07-04 04:33:59

is it 9

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Akash Anand Good work..make sure you have proper solution/explanation for it.
Upvote·0· Reply ·2013-07-04 06:27:56
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Anuradha Yadav ·2013-07-04 08:25:44

the ans is 9 ohm

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Rudra Sen ·2013-07-04 08:41:54

9 ohm..we can say from symmetry of the figure that the current does not divide at the junctions at the top and bottom..then it is easy to solve

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Akash Anand Excellent observation.
Upvote·0· Reply ·2013-07-04 23:01:13
Akash Anand Excellent observation.
Upvote·0· Reply ·2013-07-04 23:01:13
Astha Gupta why d current does not divide at d junction..???
Upvote·0· Reply ·2013-11-09 08:24:07
Astha Gupta is it becoz of the wheatstone bridge principle..???
Upvote·0· Reply ·2013-11-09 09:06:20
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Sourup Nag ·2013-07-04 21:04:21

yes 9 ohm...

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21

Hamza-Ul-Huda ·2013-07-06 10:09:23

9 ohm
upper part R(Eq): 24{12+12)
middle part R(Eq): 36(12+12+12)
lower part R(Eq): 24(12+12)

total R(equivalent)= 1/24 + 1/36 + 1/24
= 9 ohm (Ans)

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Akash Anand Good Work
Upvote·0· Reply ·2013-07-08 01:20:46
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Your Answer

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