Find the current through galvanometer if resistance of galvanometer is 20 ohms.
(I want to know why is I 1 + I 2 =1A if the metre bridge is not balanced)
(R1/R2) not equal to (R3/R4)
I want to know concept behind only this step.
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By Kirchoffs Junction Rule ... 1 = l 1 + l 2
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