What best explains Horatio’s error is the magnetic field does not continually spread outward from the wire. Option B. This is further explained below.
<h3>What is a Magnetic field?</h3>
Generally, a Magnetic field is simply defined as an area of magnetism that exists around a magnetic substance or a moving electric charge.
In conclusion, The magnetic field does not continuously expand outward from the wire, which best explains Horatio's miscalculation.
Read more about Magnets
brainly.com/question/7802337
#SPJ4