Chemistry, 30.01.2020 10:45, Ecneixneixnwism8984

Which statement about electric and magnetic fields is true.
1)electric and magnetic fields start at a positive and end at a negative.
2)magnetic fields must start at the north pole of a magnet and end at the south pole of the magnet.
3) electric fields must leave a positive charge and end on a negative charge.
4) electric fields and magnetic fields loop from north to south

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