The effective resistance between points P and Q of the electrical circuit shown in the figure is [IIT-JEE (Screening) 2002]

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

1.	The effective resistance between points P and Q of the electrical circuit shown in the figure is [IIT-JEE (Screening) 2002]
A.	\[2Rr/(R+r)\]
B.	\[8R\,(R+r)/(3R+r)\]
C.	2.4 V
D.	\[5R/2\,\,+\,2r\]
Answer» B. \[8R\,(R+r)/(3R+r)\]

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The effective resistance between points P and Q of the electrical circuit shown in the figure is [IIT-JEE (Screening) 2002]

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