DOC PREVIEW
SJSU EE 140 - Formula_ch5_updated

This preview shows page 1 out of 4 pages.

Save
View full document
View full document
Premium Document
Do you want full access? Go Premium and unlock all 4 pages.
Access to all documents
Download any document
Ad free experience
Premium Document
Do you want full access? Go Premium and unlock all 4 pages.
Access to all documents
Download any document
Ad free experience

Unformatted text preview:

EE140 Prof. MostafaviFundamental Postulates of Magnetostatics in Free SpaceDifferential Form Integral FormVECTOR Magnetic Potential AVector Magnetic Potential A Total magnetic flux through a surfaceFinding Vector Magnetic Potential From Current densityThe Biot-Savart Law and ApplicationFinding vector magnetic potential from current in a closed circuitBiot-Savart law for finding magnetic flux density from current in a closed circuitA Current-carrying straight wire of length 2LThe Magnetic DipoleMagnetic Potential due to a Dipole Magnetic flux Density due to a DipoleMagnetization and Equivalent Current DensitiesMagnetization Vector is the volume density of magnetic dipole movementMagnetic Field Intensity and Relative PermeabilityMagnetic field intensity Volume density of free currentGeneralized Ampere’s law zMagnetic Field of a long Current-carrying wireDefinition of magnetic susceptibilityBoundary Conditions for magnetostatic fieldsInductance and InductorsMutual Inductance Self-inductanceInductance per unit length of a long solenoidMagnetic EnergyMagnetic energy in an inductanceMagnetic Forces and TorquesMagnetic force on a current carrying circuit in a magnetic fieldAmpere’s law of force between two current-carrying circuitsBasic Formulas for Chapter 5 ( Static Magnetic Fields)EE140 Prof. MostafaviElectric Force Magnetic ForceLorentz’s Force Equation (electromagnetic force)Fundamental Postulates of Magnetostatics in Free Space 0 = 410-7 (H/m)Differential Form Integral Form VECTOR Magnetic Potential A Vector Magnetic Potential A Total magnetic flux through a surfaceVector Poisson’s equation of AFinding Vector Magnetic Potential From Current densityThe Biot-Savart Law and ApplicationFinding vector magnetic potential from current in a closed circuit Biot-Savart law for finding magnetic flux density from current in a closed circuitMagnetic flux density at a point z above a circular loop of radius b that carries a current I.)(NEqFe)(NBuqFm )(NBuEqF0 BJB0IdBC00SsdBABJA02sdBS)/(40mWbvdRJAV)/(40mWbRdIAC)(420TRadIBCR)(TBdBC)(420TRadIBdR)(430TRRdIBd 202/322204bzdbaIBz )(22/32220TbzIbaBzz b b A Current-carrying straight wire of length 2L2202ˆrLrILB 2L rMagnetic field inside a long air-filled solenoid (Current I, n turns/unit length)0B nIm=The Magnetic DipoleMagnetic Potential due to a Dipole Magnetic flux Density due to a DipoleElectric Dipole Magnetic DipoleMagnetization and Equivalent Current DensitiesMagnetization Vector is the volume density of magnetic dipole movementMagnetization surface current density Magnetization volume current densityMagnetic Field Intensity and Relative Permeability)/(420mWbRamAR )(sincos2430TaaRmBRdqPISamn)/(lim10mAvmMvnkkvvdRaMAdR204)/( mAaMJnms)/(2mAMJmvMagnetic field intensity Volume density of free currentGeneralized Ampere’s law zMagnetic Field of a long Current-carrying wire I r • P rIH2Definition of magnetic susceptibilityBoundary Conditions for magnetostatic fieldsNormal component of B is continuous. Tangential component of H is continuousInductance and InductorsMutual Inductance Self-inductanceInductance per unit length of a long solenoidInductance per unit length of a coaxial transmission lineMagnetic EnergyMagnetic energy in an inductanceMagnetic energy in terms of B and H Magnetic energy in term of H and )/(0mAMBH)/(2mAJH)(AIdHCHMm HHHBrm001)/(1mABH01mr2211211212SsdBINIL1111111111SsdBINIL)/(2mHSnL)/(ln2800mHabIL)(212JLIWm)(21JdvBHWVm21( )2mVW H dv Jm�=�)(21TBBnnnnHH2211)/(21mAJHHsntt)(21THHttDetermine the L from magnetic energyMagnetic Forces and TorquesMagnetic force on a current carrying circuit in a magnetic fieldAmpere’s law of force between two current-carrying circuits)(22HIWLm)(NBdIFCm)(NBIdFdm)()(42 1122121212012NRaddIIFC CR


View Full Document

SJSU EE 140 - Formula_ch5_updated

Download Formula_ch5_updated
Our administrator received your request to download this document. We will send you the file to your email shortly.
Loading Unlocking...
Login

Join to view Formula_ch5_updated and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Formula_ch5_updated 2 2 and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?