Calculation of magnetic force

  • Thread starter neo2100
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  • #1
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Main Question or Discussion Point

this is a very low level question:

I want to calculate the force that it is between two magnetic field .

PLZ give me a formula of it for B1 & B2.
 

Answers and Replies

  • #2
jtbell
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Magnetic fields don't exert forces on each other. Magnetic fields exert forces on moving charged particles, or on electric currents, or on magnetized objects.
 
  • #3
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I know that but I say my question in bad way.

mainly my question is about the force between two magnetized objects that have magnetic field (B1 & B2).
 
  • #4
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I know that but I say my question in bad way.

mainly my question is about the force between two magnetized objects that have magnetic field (B1 & B2).
Suppose the total magnetic energy stored in a system is

W = (1/2μ0)∫B2 dVvolume

Then the force in direction x is given by

Fx = ∂W/∂x

Bob S
 
  • #5
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thank you.

PLZ tell me that what 'a' & 'volume' means in a magnetic field?
 

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