Answer:
Explanation:
Given
density 
diameter 
Magnetic field 
Force on the current carrying conductor placed in a magnetic field

where L=length of conductor
=angle between magnetic field and current
If the wire is floating then weight must be balanced by weight of wire

Therefore




The answer is A! Hope it’s correct’
Answer:
These acts of attraction and repulsion are called “magnetism”, and the magnetic space around a magnet is called the “magnetic field”
Explanation:
147.09975 newton meters per second