The copper and oxygen and oxygen atoms are not ions, and the bonds are more covalent than they are ionic.
Answer with Explanation:
We are given that
Magnetic field,B=

Length of wire,l=15 m
Current,I=19 A
a.We have to find the magnitude of magnetic force and direction of magnetic force.
Magnetic force,F=
Using the formula


Direction=

15 degree above the horizontal in the northward direction.
Add all the sec. and all the meter's and then add the meter's and sec. together