Magnetic field

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Text of Magnetic field

  • 1. MAGNETIC FIELD By : Agung Wahyu 09330089 5C

2. MAGNETICFIELDAROUND ELECTRICALCIRCUIT

  • Magneticfieldis a spacewhereothermagnet-magnethavinga magneticforce

Whatisthe magnetic field?? 3. MAGNETICFIELDAROUND STRAIGHTWIRESTREAMY

  • Grasp thewirestraightwithyour right handtothe thumbindicates the direction ofstrongcurrents, thedirection of rotation ofthe fourthfingerwould revealwhosealedthe circledirectionof magneticfield lines.

A.DIRECTION OFMAGNETICINDUCTION 4. MAGNETICFIELDAROUND STRAIGHTWIRESTREAMY 5. MAGNETICFIELDONSOLENOID 6. MAGNETICFIELDONSOLENOID Magnitude ofthe magnetic fielddisumbucenter(point O)The solenoidcan be calculated Bo=magnetic fieldinthe centralsolenoidintesla(T) 0=permeability offree space=4.10 -7Wb/amp.M I=strongelectric currentin amperes(A) N =number ofwindingsin the solenoid L =length ofsolenoidin meters(m) 7. MAGNETIC FIELDIN THETOROIDAL 8. MAGNETIC FIELDIN THETOROIDAL Magnitude ofthe magnetic fieldin the middle ofthe toroid(at pointswhichare onthe redcircle)can be calculated Bo=Medadititikmagnetin the middle ofthe toroidintesla(T) N=number ofwindingsonthesolenoidcoil I=strongelectric currentin amperes(A) a=the averagejari2inner andouter radius ofthe toroidwith units ofmeters(m) a=(R1+R2) 9. LORENTZFORCE Thumb :shows thedirection ofthe Lorentzforce(FL)Direction ofthe Lorentzforce Index finger :indicatesthe direction ofthe magnetic field(B) Middle finger :indicatesthe direction ofelectric current(I)