A metal wire of specific resistance \[64\times {{10}^{-6}}ohm-cm\] and – McqOptions

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1.	A metal wire of specific resistance \[64\times {{10}^{-6}}ohm-cm\] and length 198 cm has a resistance of 7 ohm, the radius of the wire will be [MP PET 1994]
A.	2.4 cm
B.	0.24 cm
C.	0.024 cm
D.	24 cm
Answer» D. 24 cm

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