What is the value of the shunt resistance (S) required if a galvanometer has a resistance f 50 Ω and a maximum of 0.05A current that can be passed through it? The ammeter range is changed to 20 A.
A. 0.120 Ω
B. 0.125 Ω
C. 0.130 Ω
D. 0.145 Ω
Answer:B
What is the value of the shunt resistance (S) required if a galvanometer has a resistance f 50 Ω and a maximum of 0.05A current that can be passed through it? The ammeter range is changed to 20 A.
A. 0.120 Ω B. 0.125 Ω C. 0.130 Ω D. 0.145 Ω