Question

A copper wire of cross sectional area 0.01mmis used to prepare a resistance of 1K2. The resistivity of copper
is 1.7x10cm. Calculate the length of the wire​

Answer 1

Answer:

58.8235m

Explanation:

R=PL/A

$1000^{2} = 1.7^{ - 2} l \div 0.01 ^{ - 6}$

( if the area is m2)