Physics, asked by immanuelthomasj1, 11 months ago

The resistance of a conductor is given as R. If it's length is decreased 2 times and area of cross section is
increased 2 times then the new resistance becomes
(A) 2R
(B) R/2
(C) R/4
(D) 4R

pl answer

Answers

Answered by Harsha2005gulla

1

Answer:

c

Explanation:

r=d×l÷A

this is the resistance formula

Answered by Vanshsyal

1

Answer:

(C)R/4

Explanation:

area of cross section is indirectly propotional to the resistance

and length of material is directly propotional to the resistance

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