Thirteen resistances each of resistance \( \mathrm{R} \Omega \) are \( \mathrm{P} \) connected i...
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0Thirteen resistances each of resistance \( \mathrm{R} \Omega \) are
\( \mathrm{P} \) connected in the circuit as shown in the figure. The
W effective resistance between \( A \) and \( B \) is :-
(1) \( \frac{4 \mathrm{R}}{3} \Omega \)
(2) \( 2 \mathrm{R} \Omega \)
(3) \( \mathrm{R} \Omega \)
(4) \( \frac{2 R}{3} \Omega \)
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