Shunt CalculationMediumQuestion 31642
Question
A galvanometer (G = 100 Ω, I_g = 1 mA) is to measure 1 A. Shunt resistance is:
- A0.1001 ΩCorrect
- B100 Ω
- C0.01 Ω
- D10 Ω
Correct answer
0.1001 Ω
Explanation
S = I_g×G/(I−I_g) = 0.001×100/(1−0.001) = 0.1/0.999 ≈ 0.1001 Ω.