110422-opp - Physics 122 1 Physics 122 3 v n Δq I= Δt A v...

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Unformatted text preview: 4/22/11 Physics 122 1 4/22/11 Physics 122 3 v n Δq I= Δt A v Δt 4/22/11 Physics 122 4 ma = F ΔV net 0 = qE − bv qE = bv L 4/22/11 Physics 122 9 material props. 4/22/11 size How much push Physics 122 10 ΔV ΔV = EL ⇒ E = L I I = qnAv ⇒ v = qnA So qE = bv ⇒ qΔV bI = L qnA ⎛ bL ⎞ ΔV = I ⎜ 2 ⎟ ≡ IR ⎝ q nA ⎠ 4/22/11 Physics 122 12 Like force down nail board proportional to mgh ΔV = IR 4/22/11 Physics 122 13 4/22/11 Physics 122 14 4/22/11 Physics 122 15 4/22/11 Physics 122 16 4/22/11 Physics 122 17 ΔV = IR 4/22/11 Physics 122 18 4/22/11 Physics 122 19 ΔW P = rate of doing work (using energy) = Δt = (number of charges moved) × (force) × (distance moved in a time Δt ) (nAL)(qE )(vΔt ) ΔV P= = (nAL)qv = (nAqv)ΔV = IΔV Δt L 4/22/11 P =hysicsΔV P I 122 20 4/22/11 Physics 122 21 ...
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This note was uploaded on 12/28/2011 for the course PHYSICS 122 taught by Professor Bhagat during the Fall '11 term at Maryland.

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110422-opp - Physics 122 1 Physics 122 3 v n Δq I= Δt A v...

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