How can iron filings provide evidence that a bar manet has a magnetic field? hey

The iron filings outline the magnetic field lines, making it visible. Magnetic fields all have a pair of "poles", from which "lines of force" or magnetic field lines appear to originate.

Explanation:

Iron fillings can provide evidence that a bar magnet has a magnetic field because iron filling quickly aligns in the design of the magnetic field.  It is the same with the Earth’s magnetic field

6.3%

explanation:

the acceptance rate for yale university is 6.3%. this means that only 6 percent of people who apply actually get accepted!

b hope this