With regard to a loop of wire carrying a current: How do you know which side of the wire behaves as a north pole, & which behaves like a south pole? It's not as if one side has the magnetic field lines coming out of it and the other side has the magnetic field lines going into it, BECAUSE according to the right hand grip rule, the magnetic field lines are of a uniform distance all around?? Any answers, appreciated. Thanks
Several students use a "left hand rule" for the cross product for magnetic force on a moving charge when the charge is negative (like electrons).
F = qv x B , and they just use velocity cross field rather than charge times velocity cross field. It yields the required over minus sign.
The difference between left vs right handed coordinate systems is an over minus sign. In the physical science we've standardized on the right hand system, but the graphics system POVRay defaults to left handed.
How come with situations regarding Fleming's left hand rule, the magnetic field lines are always straight instead of curved? The way I see it is; they should be curved. Unless they take the tangent to the curved line as being the direction of the magnetic field. And even if they did this, because a current-carrying conductor may be so long, the direction of the force on the conductor would be different to the direction of the force on the other side of it? I do NOT understand!
How come with situations regarding Fleming's left hand rule, the magnetic field lines are always straight instead of curved? The way I see it is; they should be curved. Unless they take the tangent to the curved line as being the direction of the magnetic field. And even if they did this, because a current-carrying conductor may be so long, the direction of the force on the conductor would be different to the direction of the force on the other side of it? I do NOT understand!
why would you dislike this video lol it is exactly what i was looking for without all that bothersome reading i would have had to do.
SquashyDogMess 3 days ago
I've a video for the left hand rule on my channel. Personally I use the left hand rule!!
youspinmerightrounds 7 months ago
Thanks, it finally makes sense to me now
067077 1 year ago
simple yet effective
MrCALISMIFF 1 year ago
With regard to a loop of wire carrying a current: How do you know which side of the wire behaves as a north pole, & which behaves like a south pole? It's not as if one side has the magnetic field lines coming out of it and the other side has the magnetic field lines going into it, BECAUSE according to the right hand grip rule, the magnetic field lines are of a uniform distance all around?? Any answers, appreciated. Thanks
1091Floyd21 1 year ago
did it ever occur to you that there may be a left hand rule?
TLHS 4 years ago
Several students use a "left hand rule" for the cross product for magnetic force on a moving charge when the charge is negative (like electrons).
F = qv x B , and they just use velocity cross field rather than charge times velocity cross field. It yields the required over minus sign.
The difference between left vs right handed coordinate systems is an over minus sign. In the physical science we've standardized on the right hand system, but the graphics system POVRay defaults to left handed.
mrg3 4 years ago 2
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How come with situations regarding Fleming's left hand rule, the magnetic field lines are always straight instead of curved? The way I see it is; they should be curved. Unless they take the tangent to the curved line as being the direction of the magnetic field. And even if they did this, because a current-carrying conductor may be so long, the direction of the force on the conductor would be different to the direction of the force on the other side of it? I do NOT understand!
1091Floyd21 1 year ago
RHR works with the right handed coordinate syst. and vice versa
roadZdiver 1 year ago
This has been flagged as spam show
How come with situations regarding Fleming's left hand rule, the magnetic field lines are always straight instead of curved? The way I see it is; they should be curved. Unless they take the tangent to the curved line as being the direction of the magnetic field. And even if they did this, because a current-carrying conductor may be so long, the direction of the force on the conductor would be different to the direction of the force on the other side of it? I do NOT understand!
1091Floyd21 1 year ago