Physics

Blackburn

9 April, 06:58

Which statement about electric and magnetic fields is true?

A. Electric fields and magnetic fields start at a positive and end at a negative.

B. Electric fields and magnetic fields loop from north to south.

C. Magnetic fields must start at the north pole of a magnet and end at the south pole of a magnet.

D. Electric fields must leave a positive charge and end on a negative charge.