Question

The resistivity of a given wire of cross-sectional area 0.7mmsquare is 4.9 times 10 raised to power minus 4 ohm mm. Calculate the resistance of a 2 ohm length of the wire.

Answer 1

Answer:

R= resistivity ( L/A)

R = 14 × 10^ -4 ohm^2/mm

Explanation:

CHANGE UNITS AS REQUIRED

Answer 2

Answer:

answer is 1.4×10^-3ohm,for expntio ee the pictur