Download Columbs lov Elektrisk flux Transformers Resonans i krets

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Transcript
Columbs lov
Elektisk felt
Elektrisk flux
Gauss’s lov
alt forige=
Transformers
Resonans i krets
Pover in ac krets(fig3)
Impedans L-R-C krets(fig4) V=IZ
Z=
mutual inductans(fig1)
self-inductance(fig2)
Magnetic-field energy(fig5)
(in vacum)
R-L-krets (fig6)
R+Li
utladning
LC-krets(fig(7)
LRC-seriekrets(fig8)
Faraday’s law(fig9)
Lenz’s law statwes that an induced current or emf always tends to oppose or cancel out the change thet caused it.(fig10)
Motional emf(fig11)
Induced electric fields(fig12)
Gauss’s law for
For
Ampere’s law(fig18)
Magnetic field of a moving charge(fig13)
MFO current-carryiong conductor(fig14)
MFO long,straigt CCC(fig15)
inni leder med radius R
r<R Inni solinoide(nermt senter)
utenfor B=0
M force beween to CCC(fig16)
MF on a curent loop(fig17)
Hallefekt(fig19)
Magnetic forces(fig20)
Magnetic Field and Flux(fig21)
(closed surface)
Motion in a magnetic field(fig22)
Magnetic force on a conductor(fig23)
Magnetic torque(fig24)
RC-krets C-lader
C-utladning
Current and current densety(fig25)
Resistivity(fig26)
Resistors (fig27)
and power in circuts: (fig29) (general circuit element)
Capacitors and capacitance(fig31)
(pover into resistor)
Capacitors serie
Dielectrics(fig33)
potential energy(fig34)
(two point charges)
potential(fig35)(due to point charge)
distibution)
Circuits and emf(fig28)
Energy
Conduction in metals.(fig30)
paralell
Energy in a capacitor(fig32)
=
Electric
(mor then two)
(due to a collection of point charges)
Electric
(due to a carge
Equipotential surfaces(fig36) Finding electric fields from electric potential:
(vektor form)