Is Electromagnetic Induction Harmful to Humans?

AI Thread Summary
Electromagnetic induction can potentially be harmful to humans depending on the strength of the electromagnetic field generated. Fields with low energy, such as those from common electronic devices, are generally safe, while high-energy fields can pose serious risks, including the potential to stop the human heart. The discussion highlights that the danger from phenomena like lightning is more about the massive electron flow rather than the electromagnetic field itself. Induced electric fields can cause harmful effects, especially in cases of high energy. Understanding the thresholds for safety requires further expertise, particularly from biologists.
NonPhysicsMajor
Messages
2
Reaction score
0
Hey I was wondering if anyone out there can help me. After doing some research I was not able to find out on my own. Well, the question I have is: does creating an electromagnetic field for the purpose of powering something (electromagnetic induction) create any harmful effects to anyone close to it?

Thanks in advance
 
Physics news on Phys.org
that would depend on "strength" of the field. or to say it another way, the wavelength of the "ripples".
you wouldn't try is close to the electromagnetic field created by annihilation either nuke!
 
I don't think I understand the explanation
 
Electromagnetic waves carry enegy, and amount of that energy is related to their wavelength (the shorter wavelength they have, the more energy they have). If the amount of energy is "small", it wouldn't have any serious effect on human. however, if they are carrying a "huge" amount of energy, they can be disastrous.

The waves created by your monitor right in front of you are those carrying "small" amount of energy. The waves created in a nuclear reaction or an annihilation (such as electron-positron annihilation) are those that carry "huge" amount of energy, and harmful.

But I can't define a threshold value for wavelength (at what energy you dna gets corrupted, your nerves misfunction, etc), maybe a biologist can.

Better?
 
NonPhysicsMajor said:
..does creating an electromagnetic field for the purpose of powering something (electromagnetic induction) create any harmful effects to anyone close to it?
If the electromagnetic field is large enough it can stop the human heart, so yes. It can kill someone. E.g. If lightning struck close to you, say a meter away, then it can stop your heart and you.

Pete
 
pmb_phy said:
If the electromagnetic field is large enough it can stop the human heart, so yes. It can kill someone. E.g. If lightning struck close to you, say a meter away, then it can stop your heart and you.

Pete


I beg to differ. Fatality or injuries from a lightning strike is the result of massive electron flow through the human body, be it a direct or "stand-off" hit. The EM field generated by a lightning strike is nothing compared to the actual DC current potentialized.
 
pallidin said:
Fatality or injuries from a lightning strike is the result of massive electron flow through the human body, be it a direct or "stand-off" hit. The EM field generated by a lightning strike is nothing compared to the actual DC current potentialized.
It is the induced electrtic field which causes those effects and it is the induced electric field which I'm speaking of. A direct strike is different than a near miss in its manner of interaction with the human body.

Pete
 
pmb_phy said:
It is the induced electrtic field which causes those effects and it is the induced electric field which I'm speaking of. A direct strike is different than a near miss in its manner of interaction with the human body.

Pete

Ah, very good. Thanks for clearing that up for me.
 
Back
Top