Current Electricity Charging Discharging Of Capacitors Question 362
Question: A certain piece of silver of given mass is to be made like a wire. Which of the following combination of length (L) and the area of cross-sectional will lead to the smallest resistance
[MP PMT 1995; CBSE PMT 1997]
Options:
A) L and A
B) 2L and A/2
C) L/2 and 2 A
D) Any of the above, because volume of silver remains same
Show Answer
Answer:
Correct Answer: C
Solution:
$ R=\rho \frac{l}{A} $
BETA
