Current Electricity Charging Discharging Of Capacitors Question 193
Question: An ammeter gives full scale deflection when current of 1.0 A is passed in it. To convert it into 10 A range ammeter, the ratio of its resistance and the shunt resistance will be
[MP PMT 1985]
Options:
A) 1 : 9
B) 1 : 10
C) 1 : 11
D) 9 : 1
Show Answer
Answer:
Correct Answer: D
Solution:
$ S=\frac{i _{g}G}{(i-i _{g})} $
Therefore $ \frac{G}{S}=\frac{i-i _{g}}{i _{g}}=\frac{10-1}{1}=\frac{9}{1} $
BETA
