Current Electricity Charging Discharging Of Capacitors Question 214
Question: The resistance of a galvanometer is 90 ohms. If only 10 percent of the main current may flow through the galvanometer, in which way and of what value, a resistor is to be used
[MP PET 1996]
Options:
A) 10 ohms in series
B) 10 ohms in parallel
C) 810 ohms in series
D) 810 ohms in parallel
Show Answer
Answer:
Correct Answer: B
Solution:
Q $ i _{g}=10% $ of $ i=\frac{i}{10} $
Therefore $ S=\frac{G}{(n-1)}=\frac{90}{(10-1)}=10\Omega $
BETA
