The effective resistance between points P and Q of the electrical circ – McqOptions

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1.	The effective resistance between points P and Q of the electrical circuit shown in the figure is
A.	\[2Rr/(R+r)\]
B.	\[8R(R+r)(3R+r)\]
C.	\[2r+4R\]
D.	\[5R/2+2r\]
Answer» B. \[8R(R+r)(3R+r)\]

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