C. Solve the following problems relative to the resistivity and conductivity. Show yur solution. 1. The resistance of a wire of length 10 m is 2 ohm. If the area of cross section of the wire is 2 x 10- 7 m2, determine its (a) resistivity, and (b) conductivity 2. Calculate the (a) resistivity and the (b) conductivity of a material that has a length of 15 m and a cross-sectional area of 5 x 10-8 m² and a resistance (R) of 5 Q.

C. Solve the following problems relative to the resistivity and conductivity. Show yur solution. 1. The resistance of a wire of length 10 m is 2 ohm. If the area of cross section of the wire is 2 x 10- 7 m2, determine its (a) resistivity, and (b) conductivity 2. Calculate the (a) resistivity and the (b) conductivity of a material that has a length of 15 m and a cross-sectional area of 5 x 10-8 m² and a resistance (R) of 5 Q.