184_notes:b_flux

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184_notes:b_flux [2021/06/17 15:28] – [Magnetic Flux] bartonmo184_notes:b_flux [2021/06/17 16:08] (current) – bartonmo
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 {{youtube>RZM2uHkDyz0?large}} {{youtube>RZM2uHkDyz0?large}}
  
-==== Magnetic Flux ====+===== Magnetic Flux =====
 [{{  184_notes:electricflux1.jpg?250|Area Vector is perpendicular to the surface.}}] [{{  184_notes:electricflux1.jpg?250|Area Vector is perpendicular to the surface.}}]
  
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 $$\Phi_B = \int \vec{B} \bullet d\vec{A}$$ $$\Phi_B = \int \vec{B} \bullet d\vec{A}$$
  
-==== Changing Magnetic Flux ====  +===== Changing Magnetic Flux ===== 
-As you saw in the demo video, just having a magnetic flux is not enough though - to drive a current, **the magnetic flux must be changing**. Mathematically, we write this change as a change in the magnetic flux over a change in time. Namely:+As you saw in the demo video, just having a magnetic flux is not enough though - **to drive a current, the magnetic flux must be changing**. Mathematically, we write this change as a change in the magnetic flux over a change in time. Namely:
  
 $$\frac{d\Phi_B}{dt}$$ $$\frac{d\Phi_B}{dt}$$
  • 184_notes/b_flux.1623943731.txt.gz
  • Last modified: 2021/06/17 15:28
  • by bartonmo