0
Magnetic fields do, because there's no such thing as an isolated magnetic "pole",
and a magnetic line always starts and ends at opposite poles of the same
magnetized object.
But electric fields don't. You can easily have a bundle of isolated positive charge
over here and a bundle of isolated negative charge over there, whereupon the
lines of the electric field start on one bundle and end on the other bundle.
But electric field lines can also exist in closed loops, and they do that in radio waves, where the electromagnetic field propagates with an electric field component and a magnetic field component, and they both form closed loops.
Add your answer:
Earn +20 pts
What are One of the differences between electric and magnetic fields is that electric fields lines always form closed loops?
One key difference between electric and magnetic fields is that electric field lines originate from positive charges and end on negative charges, forming closed loops; whereas, magnetic field lines always form closed loops, never having a starting or ending point.
How are changing electric and magnetic fields related?
Changing electric fields create magnetic fields, and changing magnetic fields create electric fields. This relationship is described by Maxwell's equations. The two fields are interdependent and can propagate through space as electromagnetic waves.
Can storage media be damaged by magnetic and electric fields?
Yes, storage media can be damaged by magnetic and electric fields. Strong magnetic fields can disrupt the data stored on magnetic media such as hard drives and floppy disks. Electric fields can cause data corruption in electronic storage devices like solid-state drives and flash drives. It is important to keep storage media away from strong magnetic and electric fields to prevent damage.
What starts the vibration of the electric and magnetic fields in an electromagnetic wave?
The vibration of the electric and magnetic fields in an electromagnetic wave is initiated by a changing electric current or an accelerating electric charge. When these occur, the varying electric and magnetic fields interact and propagate through space in the form of an electromagnetic wave.
Electric fields and magnetic fields are both present near a wire carrying current?
False, electric fields and magnetic fields do not often occur together.
What are One of the differences between electric and magnetic fields is that electric fields lines always form closed loops?
One key difference between electric and magnetic fields is that electric field lines originate from positive charges and end on negative charges, forming closed loops; whereas, magnetic field lines always form closed loops, never having a starting or ending point.
How are changing electric and magnetic fields related?
Changing electric fields create magnetic fields, and changing magnetic fields create electric fields. This relationship is described by Maxwell's equations. The two fields are interdependent and can propagate through space as electromagnetic waves.
Which form of energy does not require matter for traveling through space?
Electromagnetic radiation. Energy can also be transmitted by electric fields, by magnetic fields, and by gravitation.Electromagnetic radiation. Energy can also be transmitted by electric fields, by magnetic fields, and by gravitation.Electromagnetic radiation. Energy can also be transmitted by electric fields, by magnetic fields, and by gravitation.Electromagnetic radiation. Energy can also be transmitted by electric fields, by magnetic fields, and by gravitation.
The strength of electric and magnetic fields remains constant as you move away from the source of the electric and magnetic fields?
yes
How are magnetic fields and electric current related?
The two are related because an Electric current produces Magnetic Fields
Can storage media be damaged by magnetic and electric fields?
Yes, storage media can be damaged by magnetic and electric fields. Strong magnetic fields can disrupt the data stored on magnetic media such as hard drives and floppy disks. Electric fields can cause data corruption in electronic storage devices like solid-state drives and flash drives. It is important to keep storage media away from strong magnetic and electric fields to prevent damage.
In an electromagnetic wave the oscillating electric and magnetic fields are what?
In an electromagnetic wave, the electric and magnetic fields are perpendicular to each other and are in phase.
Are there any chemical reactions that can be affected by magnetic or electric fields?
Yes, several chemical reactions are affected by magnetic or electric fields.
How do the electric and magnetic field of an electromagnetic wave regenerate each other?
In an electromagnetic wave, the changing electric field creates a magnetic field, and the changing magnetic field in turn regenerates the electric field. This process continues as the wave propagates through space, leading to the self-sustaining nature of electromagnetic waves.
What starts the vibration of the electric and magnetic fields in an electromagnetic wave?
The vibration of the electric and magnetic fields in an electromagnetic wave is initiated by a changing electric current or an accelerating electric charge. When these occur, the varying electric and magnetic fields interact and propagate through space in the form of an electromagnetic wave.
Electric fields and magnetic fields are both present near a wire carrying current?
False, electric fields and magnetic fields do not often occur together.
What causes electric magnetic wave?
Electromagnetic waves are caused by changing electric fields which create magnetic fields, and changing magnetic fields which create electric fields. These waves propagate through space at the speed of light and carry energy. They are produced by accelerating charged particles or by oscillating electric currents.
