A metal wire of specific resistance `64xx10^(-6) Omega` m and length 1.98 cm has a resistance of `7 Omega`. Find its radius.

A metal wire of resistivity 64 xx 10^-6 ohm cm and length 198 cm has a resistance of 7 Omega . Calculate its radius.

A metal wire of resistivity 6.4 x 10^(-5) ohm-cm and length 1.98 m has a resistance of 7Ω. Find radius of wire

What length of the wire (specific resistance 48 xx 10^(-8)Omega-m ) is needed to make a resistance of 4.2Omega ?

What length of copper wire of specific resistance 1.7 xx 10^(-8) Omega m and radius 1 mm is required so that its resistance is 1 Omega ?

A resistance of 2Omega is to be made from a copper wire (specific resistance 1.7 xx 10^(-8) Omega m ) using a wire of length 50cm. The radius of the wire is

A resistance of 2Omega is to be made from a copper wire (specific resistance 1.7xx10^(-8)Omegam ) using a wire of length 50 cm. The radius of the wire is

What length of a wire of diameter 0.46 mm and specific resistance 50xx10^(-6) Omega m would be required to make a coil of resistance 10 Omega ?

Calculate the specific resistance of the material of a wire having a resistance of 4.4 Omega , length 1.1 m and radius 0.2 mm.