1.

In the circuit shown \[P\ne R\], the reading of the galvanometer is same with switch S open or closed. Then                                                                            [IIT-JEE (Screening) 1999]

A.                    \[{{I}_{R}}={{I}_{G}}\]
B.                    \[{{I}_{P}}={{I}_{G}}\]      
C.                    \[{{I}_{Q}}={{I}_{G}}\]
D.                    \[{{I}_{Q}}={{I}_{R}}\]      
Answer» B.                    \[{{I}_{P}}={{I}_{G}}\]      


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