Current Electricity Charging Discharging Of Capacitors Question 256
Question: A voltmeter has resistance of 2000 ohms and it can measure upto 2V. If we want to increase its range to 10 V, then the required resistance in series will be
[CPMT 1997, SCRA 1994]
Options:
A) $ 2000,\Omega $
B) $ 4000,\Omega $
C) $ 6000,\Omega $
D) $ 8000,\Omega $
Show Answer
Answer:
Correct Answer: D
Solution:
Here $ n=\frac{10}{2}=5 $ \ $ R=(n-1)G $
$ =(5-1)2000=8000,\Omega $
BETA
