Physics (2212) Modern Review Electric Fields and Force
VPython
Polarization
Electric Potential
Magnetic Fields and Forces
Circuits
Hall Effect
Gauss’s Law
Ampere’s Law
Magnetic Flux/Induced Current
Electromagnetic Radiation A proton is accelerated in the direction shown. At observation points P and S, what are the directions of a ⊥ , v radiation ? Find the magnitude and direction of the radiative electric and magnetic fields at point P.
Electric Force and Fields
VPython
r=r_obs-proton.pos rhat=r/mag(r) Efield=oofpex*qe*rhat/(mag(r)**2) Bfield=mzofp*qe*cross(velocity,rhat)/(mag(r)**2)
Polarization
Electric Potential
Magnetic Fields and Forces
Circuits
a. Loop 1: 2Emf - ΔV Bulb -ΔV Capacitor1 =0
Loop 2: 2Emf - ΔV Bulb -ΔV Capacitor1 =0 Loop 3: ΔV Capacitor1 -ΔV Capacitor2 =0
b. I 1 =I 2 +I 3
I 4 =I 2 +I 3
c. I = 2Emf/R
Hall Effect
a) -x b) Negative c) +x d) +y e) 2.95 e-3 A
Gauss’s Law
Ampere’s Law
a) 0 b) 0 c) 𝜇 0 NI/2πr d) 0
Magnetic Flux/Induced Current
a) +z b) +z c) +z d) -y e) +y
f) 8.639e-7 A Electromagnetic Radiation
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