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

A nicrome wire of length 100cm and radius 0.36 mm has a resistance of 1.5Omega . Calculate the resistivity of nicrome and also its conductivity.

A copper wire of resistivity 1.6xx10^-8 ohm-m has a cross sectional area of 20xx10^-4 cm^2 . Calculate the length of wire required to make a 10 ohm coil.

A metal wire of resistance 62 Ohms is stretched so that its length increased to twice of original length. Calculate its new resistance

A wire of length15m (meter) and uniform area of cross section 6.0 xx 10^-7 m^2 has resistance of 5.0 Omega (ohm). What is the resistivity of the material of the wire ?

A copper wire of length 2m and area of cross-section 1.7 xx 10^(-6)m^(2) has a resistance of 2 xx 10^(-2) ohms. Calculate the resistivity of copper.

A metal wire of resistance 6Omega is stretched so that its length is increased to twice its original length. Calculate its new resistance.