Question

14. A copper wire of cross sectional area 0.01 mm2
is used to prepare a resistance of 1K22. The
resistivity of copper is 1.7x10-8 m. Calculate the
length of the wire
1) 58.82m
2) 588.2m
3) 0.58m
4) 5.8m
how to conversion ?​

Answer 1

Answer:

The ancient Sumerians, who flourished thousands of years ago between the Tigris and Euphrates rivers in what today is southern Iraq, built a civilization that in some ways was the ancient equivalent of Silicon Valley. As the late historian Samuel Noah Kramer wrote, “The people of Sumer had an unusual flair for technological invention.”

Answer 2

Answer:

l=pR/a

Explanation:

p=row

l=length of wire

a=are of cross section