Is magnetic force pseudo? Magnetic force exist only if charge is moving, so it must be pseudo. Ima

Peia6tvsr

Peia6tvsr

Answered question

2022-05-14

Is magnetic force pseudo?
Magnetic force exist only if charge is moving, so it must be pseudo. Imagine, a positively charged man who has the same speed as electron (charge). So, he doesn't feel any magnetic force as charge is at rest with respect to him. Therefore, he only experience electric force.
However a man who is at rest or has different speed than electron feels a magnetic force
Therefore magnetic force must be pseudo. Pls answer me

Answer & Explanation

necrologo9yh43

necrologo9yh43

Beginner2022-05-15Added 23 answers

No, the magnetic force is not a pseudo force.
1.all pseudo forces are proportional to the mass of the thing on which the force is acting, but the magnetic force is proportional to the charge.
2.all pseudo forces disappear in an inertial frame, but the magnetic force exists in an inertial frame
poklanima5lqp3

poklanima5lqp3

Beginner2022-05-16Added 5 answers

I read sometime ago in a book (Purcell - Electricity and Magnetism ch. 5.6):
If you have an extense wire with net charge desnsity equal to zero in some referencial, i.e. its linear density ρ r = 0, in such way: You have the positive charges non-moving but with some space between them and moving negative charges.
Suppose you have another charge in some point around the wire and it's at rest in this referential.
If you go to another referential, using relativity stuff, you can show that now you'll have a net charge density in the wire and it'll exerce a force in that charge that's quite equal the Magnetic force that shoub be acting (it's even proportional to the current).
Soo, you can understand magnetic force, in first approximation, as an "relativistic face" of the electric force.
I extremely recommend you to read the chapter I said above, I'm not good trying to explain such things.

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