Question

A magnetic field produced by a current has the following characteristic(s)

A. their field can be turned on and off

B.they can have their strength changed

C. their direction could be reversed

D. All of the above

E. none of the above

Answer 1

The magnetic field produced by a current has three distinct characteristics. The field can be turned on or off, have its direction reversed, or have its strength changed.


Therefore the correct answer is D. All of the above