Magnetic Effects Of Current Question 457
Question: A voltmeter has a range 0-V with a series resistance R. With a series resistance 2R, the range is $ 0-V’ $ . The correct relation between V and V? is
Options:
A) $ V’=2V $
B) $ V’>2V $
C) $ V’»2V $
D) $ V’<2V $
Show Answer
Answer:
Correct Answer: D
Solution:
[d] $ V=i_{g}(G+R) $ and $ V’=i_{g}(G+2R) $ It shows, $ V<V’<2V $