Current Electricity Charging Discharging Of Capacitors Question 275
Question: A milliammeter of range 10 mA has a coil of resistance 1 W. To use it as voltmeter of range 10 volt, the resistance that must be connected in series with it, will be
[KCET 2001]
Options:
A) 999 W
B) 99 W
C) 1000 W
D) None of these
Show Answer
Answer:
Correct Answer: A
Solution:
$ R=\frac{V}{i _{g}}-G=\frac{10}{10\times {{10}^{-3}}}-1=999\Omega $ .
BETA
