question_answer

There are three voltmeters of the same range but of resistance\[10000\text{ }\Omega ,\text{ }8000\text{ }\Omega \]and\[40000\text{ }\Omega \]respectively. The best voltmeter among these is the one whose resistance is:

A)  \[10000\text{ }\Omega \]           

B)  \[8000\text{ }\Omega \]

C)  \[4000\text{ }\Omega \]        

D)         all are equally good

E)  none of the above