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Phys 351 Lab 1

# Phys 351 Lab 1 - A1 Applied V 0 5 7 10 12 15 Voltage...

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A1 Applied V Current (mA) Voltage Resistance 0 0 0 0 5 0.24 2.47 9.71E+03 7 0.35 3.55 9.85E+03 10 0.5 5.03 9.94E+03 12 0.61 6.11 9.99E+03 15 0.76 7.56 1.01E+02 A2 Mystery Resistor Applied V Current V1 V2 Mystery R Measured 15 1.04 10.3 4.9 4780 12 0.83 8.2 3.9 4760 10 0.69 7 3.3 4670 7 0.48 4.88 2.3 4630 Actual 4700+/- 1% A3 V(10KOhm)=7.56=V(Th) V(15KOhm)=5.68 V(10KOhm)=5.69 Short Current=1.52mA=Isc Rth=4973Ohms Rth=4973 Vth=7.56 Ith=1.52mA Vmeasured=7.61 Imeasured=1.49mA B1 CHANGE TO I vs V Input Voltage I(mA) Vac Ln(current) Vac 33 0.45 0.57 -0.8 0.57 68 0.44 0.57 -0.82 0.57 220 0.44 0.57 -0.82 0.57 680 0.42 0.57 -0.87 0.57 2200 0.37 0.56 -0.99 0.56 4700 0.3 0.55 -1.2 0.55 10000 0.23 0.54 -1.47 0.54 0 0.1 0.2 0. 0 2 4 6 8 f(x) = 9.93x + 0.05 Voltage 0.4 0.5 0.6 0 0 2 4 6 8 10 12 f(x) = 4.62x f(x) = 9.61x Cu Voltage 0.53 0.54 0.55 0.56 0.57 0.58 Voltage (V)

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C V=10V C2 V with Diode= 11.96 V with inverted Diode=-33.3mV Rebuilt Circuit of A-4 Current 5kOhm=162uA 30kOhm=71uA

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