When the galvanometer in each circuit do not show any deflection obtain the ratio r1:r2?
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In circuit 1,
R1/9 = 4/6
thus, R1 = 6 ohms
In circuit 2,
6/R2 = 12/8
Thus, R2 = 4 ohms
Therefore,
R1/R2 = 3/2
R1/9 = 4/6
thus, R1 = 6 ohms
In circuit 2,
6/R2 = 12/8
Thus, R2 = 4 ohms
Therefore,
R1/R2 = 3/2
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