Question 10The resistance of a piece of wire of length 20m and cross sectional area 8 x 10-6 m2 has a resistance of 1 ohm. the resistivity of the wire isA.3 x 10-7 ohm/mB.4 x 10-7 ohm/mC.1.6 x 10-5 ohm/mD.4 x 10-5 ohm/mObjective Show full explanation