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Olympiad workbook

Exam: Olympiad workbook
Subject: NSEP
Chapter: Current Electricity

Olympiad workbook · NSEP · Current Electricity

Each of 9 sides of frame A CD E F B has resistance R (Nine in all)...

Each of 9 sides of frame A CD E F B has resistance

R

(Nine in all) A current

I

enters at A and leaves at B. Choose the correct alternatives. Each of 9 sides of frame A CD E F B has resistance R (Nine in all) A current I enters at A and leaves at B. Choose the

Each of 9 sides of frame A CD E F B has resistance R (Nine in all) A current I enters at A and leaves at B. Choose the

Options

ACurrents in branches CD and EF are zero.
BCurrents in branches CE and DF are each equal to $\frac{4}{11} \mathrm{I}$
CEffective resistance between $A$ and $B$ is $\frac{15}{11} R$
DEffective resistance between A and B is $\frac{3}{4} R$

Correct answer

C. Effective resistance between $A$ and $B$ is $\frac{15}{11} R$

Step-by-step solution

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