Current Electricity Charging Discharging Of Capacitors Question 273
Question: A voltmeter having resistance of 50 × 103 ohm is used to measure the voltage in a circuit. To increase the range of measurement 3 times the additional series resistance required is
[MP PET 2001]
Options:
A) 105 ohm
B) 150 k.ohm
C) 900 k.ohm
D) 9 × 106 ohm
Show Answer
Answer:
Correct Answer: A
Solution:
$ R=G(n-1)=50\times 10^{3}(3-1)=10^{5}\Omega $ .
BETA
