Unformatted text preview: Motional EMF
Conducting rod moving across region of uniform magnetic field
++++ moving charge carriers magnetic force FB = qv B charge separation electric field E electric force FE = q E
L E F B
+ v B v F E FE FB
- -- - a Equilibrium between electric and magnetic force: FE = F B qE = qvB E = vB Potential difference induced between endpoints of rod: Vab Vb - Va = EL Vab = vBL (motional EMF) tsl246 p.1/1 ...
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