Author Question: A long wire lies in a tangle on the surface of a table, as shown below. When a current is run ... (Read 78 times)

jjjetplane · **on:** Jul 28, 2018

A long wire lies in a tangle on the surface of a table, as shown below. When a current is run through the wire as shown, the largest component of the magnetic field at X points

a.
into the table.

b.
out of the table.

c.
parallel to the nearest segment of wire.

d.
antiparallel to the nearest segment of wire.

e.
along a circle which has its center at the center of the overall loop.

Question 2

Which diagram correctly shows the magnetic field lines created by a circular current loop in which current flows in the direction shown?

a.

b.

c.

d.

e.