Current Electricity Charging Discharging Of Capacitors Question 294
Question: A 50 ohm galvanometer gets full scale deflection when a current of 0.01 A passes through the coil. When it is converted to a 10 A ammeter, the shunt resistance is
[Orissa JEE 2003]
Options:
A) 0.01 W
B) 0.05 W
C) 2000 W
D) 5000 W
Show Answer
Answer:
Correct Answer: B
Solution:
$ i _{g}=i\frac{S}{G+S} $
Therefore $ \frac{0.01}{10}=\frac{5}{50+S} $
Therefore $ S=\frac{50}{999}=0.05\Omega $ .
BETA
