Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa

A wire of resistance R is bent to form a square ABCD as shown in the figure. The effective resistance between E and C is :(E  is mid-point of arm CD)

 

  • Option 1)

    R

  • Option 2)

     \frac{7}{64}R

  • Option 3)

    \frac{3}{4}R

  • Option 4)

    \frac{1}{16}R

 

Answers (1)

best_answer

distribution of Resistance (R) in square ABCD

     

 

     

 

\Rightarrow \frac{1}{Req}=\frac{1}{R/8}+\frac{1}{7R/8}

  \Rightarrow \frac{8}{R}+\frac{8}{7R}

   =\frac{56+8}{7R}

   =\frac{64}{7R}

Req=\frac{7R}{64}  

 

 


Option 1)

R

Option 2)

 \frac{7}{64}R

Option 3)

\frac{3}{4}R

Option 4)

\frac{1}{16}R

Posted by

solutionqc

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

JAC Chandigarh Counselling 2025: Round 1 seat allotment result out for BTech admissions
anam-khan

JoSAA round 5 seat allotment result 2025 out on josaa.nic.in
anam-khan

BTech aspirant from north-east or UT? Apply for CSAB NEUT counselling 2025 today

Latest Question