Electric Fields and Force Physics (2212) Modern Review

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Transcript of Electric Fields and Force Physics (2212) Modern Review

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