equation shet test 3 physics

equation shet test 3 physics - Moving Charges=B B vxr qv...

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Moving Charges=B B-field of Infinite Straight Current Carryng Wire |B|= Magnetic Force on Moving Charges (I) B α v x r μ 0 /4 π = 10 -7 T m/A, T [ B ], 1T = 1N A -1 m -1 θ =0 0 , B =0 or 180 0 and is maximum at 90 0 all q 's = E , only moving charges = B when -q , B=-(vxr) μ 0 I 2 π r B ( α =90 0 ) , F=|q|vB B ( α ) , F=|q|vBSin( α ) ( v =0), F=0 B \\ v , F=0 q \\ or ( α =0 0 ) , F=0 when - q , - F (opposite direction, vector down) 0 2 sin , direction of right-hand rule 4 qv B r μ θ π =
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Magnetic Force on an Electron Cyclotron Motion The Radius of Cyclotron Motion Energy Balance: Velocity: Frequency: B-Field: Radius: Direction of F is up . Electron will move away from the wire [ m/s ] [ Hz ] [ T ] [ m ]
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Cyclotron Accelerator Measuring Momentum with Magnetic Deflection Hall Effect n=density w=width ***signs matter!*** q in a uniform field, f cyc indep of r or E R of magnet det E cyc E max = (RqB) 2 /2m momentum p = r orbit of q deflected by B into a circular orbit q exp F L v in B then
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equation shet test 3 physics - Moving Charges=B B vxr qv...

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