If galvanometer is shunted by `1//n^(th)` of its value, then what fraction of the current passes through the galvanometer ?
If galvanometer is shunted by `1//n^(th)` of its value, then what fraction of the current passes through the galvanometer ?
A. `1//n`
B. `n`
C. `1//(n+1)`
D. `1//(n-1)`
4 views
1 Answers
Correct Answer - C
`V_g=I_g G therefore G=V_g//I_g=50Omega`
`S=((I_g)/(I-I_g))G=((0.015)/(25-0.015))xx50=0.03Omega`
4 views
Answered