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In the given circuit, the equivalent resistance between A and B is- R 2R/5 R/3 2R

In the given circuit, the equivalent resistance between A and B is-
  1. R 
  2. 2R/5
  3. R/3
  4. 2R

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Grade:12

2 Answers

Arun
25750 Points
5 years ago
Dear student
 
if we open this circuit
 
then
 
R || (R and R in series) || (R and R in series) || R
 
hence equivalent resistance
 
 = R || 2R || 2R ||R
 
1 / Rnet = 1 / R + 1/2R + 1/2R + 1/R
 
1 / Rnet = 2 + 1 + 1 +2 / 2R
 
1/ Rnet = 6 / 2R
 
Rnet  = R/3
 
Regards
Arun
Khimraj
3007 Points
5 years ago
Initial five resistance are short circuited so they don’t work.
So equivalent resistance between A and B is R.
 

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