Which is true of magnetic field lines but not electric field lines?

Answer 1

they show wich way iron shavings would align themselves

They always make closed loops.

Electric field lines can either form closed loops or they can start and finish on isolated electric charges. Magnetic field lines always only form closed loops.

Answer 2

One represents a field of one kind, the other represents a different kind.

true

Answer 2

I wonder what you mean by an electric field. You may mean the magnetic field produced by an electromagnet as opposed to a permanent magnet. Well, they are both the same.

AnswerAs far as electrical conductors are concerned, a magnetic field is produced by an electric current, whereas an electric field is produced by potential.

The magnetic field produced by a current surround the conductor and, viewed from one end of that conductor, are represented by concentric circles.

An electric field is set up between a charged conductor and adjacent conductors and/or earth (ground). Viewed from one end of the conductor, these are represented as lines that radiate outwards from the conductor.

So, a magnetic field and an electric field act at right-angles to each other.

Answer 3

Magnetic field lines must be closed. There is no such thing as a magnetic monopole. A magetic field line might be very long but eventually it will bend aroung forming a closed loop.

Electric field lines can originate from a point (hence they are open). A charge (like an electron) is a electric monopole. They show which way iron shavings would align themselves.

They always form complete loops.They show which way iron shavings would align themselves. (APEX)

Answer 4

Magnetic field lines form closed loops, whereas electric field lines start and end on charges. Magnetic field lines do not have a beginning or end, while electric field lines have distinct point sources (charges) and sinks (charges).

Answer 5

The list of choices submitted with the question contains
no correct description of magnetic field lines.

Answer 6

they show which way iron shavings would align themselves

Answer 7

Is it possible to find a magnetic monopole? (drawing the magnetic field lines)