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### Author Topic: Lorentz force questions  (Read 21868 times)

• Newbie
• Posts: 30
##### Lorentz force questions
« on: December 22, 2012, 02:51:36 PM »
Hi

i have 2 questions regarding Lorentz force

1. Does Lorentz force create opposite and equal reaction force acting on magnets, as you can see on attached picture <?

2.Does conductor moving in homogeneous magnetic field consume more power than  static condtuctor to  achieve same continuous amperage?  Does the wire movement increase power input <>?

Thanx for clarification

#### Neo-X

• Sr. Member
• Posts: 379
##### Re: Lorentz force questions
« Reply #1 on: December 22, 2012, 05:02:52 PM »
On your first question the answer is yes. On your second question either you move the magnet or the wire you can get the same amount of drag thats why the electrical power output from wire is always less than the mechanical power input.

• Newbie
• Posts: 30
##### Re: Lorentz force questions
« Reply #2 on: December 22, 2012, 05:33:32 PM »
what do you mean by drag <?

i was asking if relative motion between wire and magnets increases power input compared to static scenario.

#### Neo-X

• Sr. Member
• Posts: 379
##### Re: Lorentz force questions
« Reply #3 on: December 22, 2012, 05:37:26 PM »
what do you mean by static scenario?

• Newbie
• Posts: 30
##### Re: Lorentz force questions
« Reply #4 on: December 22, 2012, 05:41:10 PM »
static i mean, wire and magnets are hold in place, even if they want to move from each other

#### Neo-X

• Sr. Member
• Posts: 379
##### Re: Lorentz force questions
« Reply #5 on: December 22, 2012, 05:46:55 PM »
Ah you are talking the faraday disc. In faraday disc, lorentz law cannot apply there so oviously its overunity.

• Newbie
• Posts: 30
##### Re: Lorentz force questions
« Reply #6 on: December 22, 2012, 06:02:13 PM »
no , i mean picture above, imagine those magnets to be long, to go all the way up... the wire is moving upwards, linear motion, because of lorentz

magnets are hold in place, only wire is moving in homogenous magnetic field

will this increase power input <>?

#### Neo-X

• Sr. Member
• Posts: 379
##### Re: Lorentz force questions
« Reply #7 on: December 22, 2012, 06:17:02 PM »
No.. Because the magnetic field created by the electric current opposes the magnetic field of the magnet.

• Newbie
• Posts: 30
##### Re: Lorentz force questions
« Reply #8 on: December 22, 2012, 06:20:01 PM »
ok so does not matter if wire is allowed to move or not

you are saying input voltage and amperage stays the same

#### Neo-X

• Sr. Member
• Posts: 379
##### Re: Lorentz force questions
« Reply #9 on: December 22, 2012, 06:35:54 PM »
yeah the same amount of power will be produced either you move the magnet or the wire.

• Newbie
• Posts: 30
##### Re: Lorentz force questions
« Reply #10 on: December 22, 2012, 06:45:16 PM »
you mean power consumed right...

power consumed when nothing moves versus power consumed when wire is moving

#### TechStuf

• Hero Member
• Posts: 1280
##### Re: Lorentz force questions
« Reply #11 on: December 23, 2012, 03:12:16 AM »

Watch this short movie:

http://freelights.co.uk/move.avi

The ramifications should quickly become obvious.  There are numerous ways to overcome the 'Lorentzian legacy'.  Should one wish to charge a capacitor instead of lighting LEDs and then dump it's potential back into spinning the wheels of change, such may be handily arranged.  Remember, and this is important, the magnets doing the work, need not be the ones carrying the load.

Free energy is Right aBound the corner.

Peace,

TS

#### Neo-X

• Sr. Member
• Posts: 379
##### Re: Lorentz force questions
« Reply #12 on: December 23, 2012, 04:56:16 AM »
the only way i know to reduce the lorentz is to move the core instead of moving the coil or magnet. By doing so, the reluctance is varying and so does the magnetic flux linking to the coil but it doesnt produce so much drag because the magnet and coil are not moving.

#### crazycut06

• Sr. Member
• Posts: 297
##### Re: Lorentz force questions
« Reply #13 on: December 23, 2012, 11:59:33 AM »
the only way i know to reduce the lorentz is to move the core instead of moving the coil or magnet. By doing so, the reluctance is varying and so does the magnetic flux linking to the coil but it doesnt produce so much drag because the magnet and coil are not moving.

Hi Neo-X,
Have you tried it? How can you generate current if the magnet or the coil is not moving?

#### ALVARO_CS

• Full Member
• Posts: 182
##### Re: Lorentz force questions
« Reply #14 on: December 23, 2012, 03:23:28 PM »

Hi Neo-X,
Have you tried it? How can you generate current if the magnet or the coil is not moving?

crazycut06
with a flux gate generator, that is a rotor which has pieces of iron at the rim.
those pieces pass between fixed magnet and fixed coil (one in front of the other).
The coil receives the flux when the rotor iron makes a bridge when passing.
As far as I know, not OU yet.