Current Electricity Charging Discharging Of Capacitors Question 189
Question: $ {{10}^{-3}}amp $ is flowing through a resistance of $ 1000,\Omega $ . To measure the correct potential difference, the voltmeter is to be used of which the resistance should be
[MP PMT 1985]
Options:
A) $ 0,\Omega $
B) $ 500,\Omega $
C) $ 1000,\Omega $
D) $ »1000,\Omega $
Show Answer
Answer:
Correct Answer: D
Solution:
Resistance of voltmeter should be greater than the external circuit resistance. An ideal voltmeter has infinite resistance.
BETA
