A galvanometer of resistance 36 Ω is changed into an ammeter by using a shunt of 4 Ω. The fraction f0 of total current passing through the galvanometer is 

(1) 140

(2) 14

(3) 1140 

(4) 110

(4) igi=SG+S=436+4=440=110  

Difficulty Level:

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