Current Electricity Charging Discharging Of Capacitors Question 260
Question: The resistance of a galvanometer coil is R. What is the shunt resistance required to convert it into an ammeter of range 4 times
[BHU 2000]
Options:
A) $ \frac{R}{5} $
B) $ \frac{R}{4} $
C) $ \frac{R}{3} $
D) 4 R
Show Answer
Answer:
Correct Answer: C
Solution:
$ \frac{i}{i _{g}}=1+\frac{G}{S}\Rightarrow \frac{4}{1}=1+\frac{R}{S} $
$ \Rightarrow S=\frac{R}{3} $ .
BETA
