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A rod of a certain metal is 1.0 m long a...

A rod of a certain metal is 1.0 m long and 0.6 cm in diameter. Its resistance is `3.0 xx 10^(-3) Omega`. Another disc made of the same metal is 2.0 cm in diameter and 1.0 mm thick. What is the resistance between the round faces of the disc ?

A

`1.35 xx 10(-8) Omega`

B

`2.70 xx 10(-7) Omega`

C

`4.05 xx 10(-6) Omega`

D

`8.10 xx 10(-5) Omega`

Text Solution

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The correct Answer is:
B
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