110425 - Physics 122 4/25/11 4/25/11 Physics 122 1 4/25/11...

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Physics 122 4/25/11 Prof. E. F. Redish 1 4/25/11 1 Physics 122 4/25/11 2 Physics 122 4/25/11 3 Physics 122
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Physics 122 4/25/11 Prof. E. F. Redish 2 4/25/11 4 Physics 122 Answer: 1 in 30 billion 4/25/11 7 Physics 122 4/25/11 8 Physics 122 t q I Δ Δ = ma = F e bv a = 0 v = F F e = qE Δ V = E L
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Physics 122 4/25/11 Prof. E. F. Redish 3 4/25/11 9 Physics 122 IR V = Δ I = qnAv v = I qnA qE = bv Δ V = EL E = Δ V L q Δ V L = bI qnA Δ V = I bL q 2 nA IR 4/25/11 10 Physics 122 R = bL q 2 nA = ρ L A = 1 g L A 4/25/11 11 Physics 122 P = rate of doing work (using energy) = Δ W Δ t = (number of charges moved) × (force) × (distance moved in a time Δ t ) P = ( nAL )( qE )( v Δ t ) Δ t = ( nAL ) qv Δ V L = ( qnAv ) Δ V = I Δ V
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Physics 122 4/25/11 Prof. E. F. Redish 4 4/25/11 12 Physics 122 P = I Δ V 4/25/11 13 Physics 122 4/25/11 14 Physics 122
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Physics 122 4/25/11 Prof. E. F. Redish 5 4/25/11 15 No resistance constant v even without gravity
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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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110425 - Physics 122 4/25/11 4/25/11 Physics 122 1 4/25/11...

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