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A student is provided with a variable vo...

A student is provided with a variable voltage source V,a test resistor `R_T`=10`Omega`, two identical galvanometers `G_1` and `G_2` and two additional resistors,`R_1`=10M`Omega` and `R_2=0.001` `Omega`.For conducting an experiment to verify ohm's law,the most suitable circuit is:

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