Current Electricity Charging Discharging Of Capacitors Question 425
Question: A resistance R is stretched to four times its length. Its new resistance will be
[ISM Dhanbad 1994; UPSEAT 2003]
Options:
A) 4 R
B) 64 R
C) $ R/4 $
D) 16 R
Show Answer
Answer:
Correct Answer: D
Solution:
$ R’=n^{2}R,\Rightarrow ,R’=16R $