pd_dundooah_249 - 0.03 TRUE 52.3 45.9 0.3 battery...

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Part1: Internal Resistance I (mA) I (A) V (V) 42.2 0.04 1.27 u {I}/I= 1% 49.1 0.05 1.27 u{V}/V= 0.10% 52.2 0.05 1.27 60.5 0.06 1.27 70.7 0.07 1.27 82.3 0.08 1.27 Theoretical Relationship: V=έ-Ir 92.2 0.09 1.26 r (ohms) έ (V) 97.3 0.1 1.26 -0.216 1.2843 104.8 0.1 1.26 errors 0.005 0.0004 162.6 0.16 1.25 Part 2: Slidewire Calibration u{x} (cm)= 0.2 V (V) x (cm) u{V}/V= 0.10% 0.04 0 0.48 15 Theoretical Relationship: x= constatnt*V-x 0 20 40 60 80 100 120 140 160 180 1.24 1.24 1.25 1.25 1.26 1.26 1.27 1.27 1.28 1.28 f(x) = 0x + 1.28 Dry cell Internal Resistance and Terminal Voltage Current (I) (Amp) Volts (V) A B C D E F G H I 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
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0.6 20 constant (cm/V) 0.73 25 37.6 -2.3 2.3 0.86 30 errors 0.20 0.2 0.2 0.94 33 1.12 40 1.26 45 1.38 50 2.72 100 Parts 3 & 4 source u{V} (V) x (cm) u{x} (cm) Standard Cell 1.23 0.0010 43.6 0.8 Dry Cell 1.32 0.0013 48.5 0.1 D-Cell 1.36 0.0014 50 0.1 Battery Eliminator 2.48 0.0025 93.6 0.1 SET u{A} dry cell 1.36 0.03 TRUE 50.8 45.9 0.3 D cell 1.40 0.03
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Unformatted text preview: 0.03 TRUE 52.3 45.9 0.3 battery eliminator 2.56 0.10 TRUE 95.9 45.9 0.3 (-x )(cm) x (cm) Given or DMM Value (V) έ x (V) u{έ x } (V) A=x+x B=x s +x 0.5 1 1.5 2 2.5 3 20 40 60 80 100 120 f(x) = 37.6x - 2.28 Potentiometer Internal Resistance Voltage (V) x (cms) A B C D E F G H I 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 J 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 u{B} 0.8 0.8 0.8 J 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94...
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