Potentiometer Lab 5 Instructor: Cheryl Dellai UAW Calculate Resistance in Ohms Ratio Readings BatteryVoltage VT Cold Off Hot On Hot/Cold Volts Current in A Volts Volts 2.3 2.66 0.24 3.00 DISCHARGING Charging Time in s Discharging Times in s 10 Cap to Full (s) Cap to VT (s)| Light (s) % Diff Cap to Zero Light % Diff CHARGING 11 102 14 23 90 23 12 CHARGIN 13 14 Dist Voltage Data Regression DISCHARGING DURACELL 15 cm V 16 0 0.110 Inercept Volts (1) 17 10 0.300 Slope Volts/cm (S) 18 20 0.480 DURACELL + 19 30 0.650 Volts = Slope * (Direct Wire length) + Intercept 20 40 0.830 EMF (Potent) = Measured length/50.2(STD)*1.019 V (STD) 21 50 1.010 Abbreviations 22 60 1.190 23 70 1.360 Voltmeter (Vm) 24 80 1.540 Direct Wire (DW) 25 90 1.710 Poteniometer (Pt) 26 100 1.890 formula Power Supply_13 14 Dist Voltage Data Regression DISCHARGING DURACELL' 15 cm V 16 0 0.110 Inercept Volts (1) 17 10 0.300 Slope Volts/cm (S ) 18 20 0.480 DURACELL 19 30 0.650 Volts = Slope * (Direct Wire length) + Intercept 20 40 0.830 EMF (Potent) = Measured length/50.2(STD)*1.019 V (STD) 21 50 1.010 Abbreviations 22 60 1.190 23 70 1.360 Voltmeter (Vm) 24 80 1.540 Direct Wire (DW) 25 90 1.710 Poteniometer (Pt) 26 100 1.890 formula Power Supply. 27 + 28 29 Direct Wire Length Voltage Calc % Difference + LX touch 9 CM too 30 Cell Voltmeter Predict Measured DW Potent 31 # V cm cm V V Vm/Pt DW/Pt + 32 D 1.5 67.00 78.9 33 C 1.34 76.00 81.3 34 AA 1.263 75.00 65.2 35 Vm in p with AA 1.263 65.00 65.3 36 Weston XXXXXXX 50.00 50.2 1.019 Weston std values 37 38 39 40