Magnetic field

Magnetic force between parallel conductors
F = μ * μ0 * I1 * I2 * l / (2 π r)
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Magnetic force between parallel conductors
F = 2 * 10^(-7) * μ * I1 * I2 * l / r
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Magnetic constant
μ0 = 4π * 10^(-7)
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Magnetic field intensity
H = I / l
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Magnetic field induction
B = μ0 * μ * H
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Maximum force moment of the magnetic field
M_max = B I S
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Magnetic induction
M = I S B sin(a)
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Moment of a uniform magnetic field
p_m = I * S
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Magnetic field (induction) due current in finite straight conductor (wire)
B = μ * μ0 * I * (cos(a1)+cos(a2)) / (4 π r)
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Magnetic field (induction) due current in infinite straight conductor (wire)
B = μ * μ0 * I  / (2 π r)
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Magnetic field due to current in circular wire (turn)
B = μ * μ0 * I / (2 R)
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Magnetic field intensity (strength): infinite straight wire
H = I / ( 2 π r)
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Magnetic field intensity (strength) at the center of circular wire (turn)
H = I / (2 R)
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Magnetic induction of solenoid
B = μ * μ0 * N * I / l
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Magnetic field intensity (strength) of solenoid
H = N*I / l
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Magnetic flux and angle
Φ = BS cos(a)
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Magnetic flow (flux)
Φ = BS
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Ampere's force
F = I * l * B * sin(a)
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Magnetic induction and Ampere's force
B = F_max / (I * l)
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Lorentz force
F = q v B sin(a)
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Lorentz force and Ampere's force
F_L = F_A / N
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Force of electromagnetic field
F = qE + qvB sin(a)
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Radios of motion trajectory of charged particle in magnetic field
r = mv /(qB)
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Rotation period of charged particle in magnetic field
T = 2 π m / (qB)
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