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216 Lab KirchoffRule

216 Lab KirchoffRule - Ryan Johnson PHYS 121A Lab 216...

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Ryan Johnson PHYS 121A Lab 216: Kirchoff’s Rule Part I: Rc = 10,000Ω Vc = 12 V Rb = 5,600 Ω Vb = 5V Ic = Vc/Rc = 12/10000 = .0012 A Ib = Vb/Rb = 5/5600 = .893mA Calculated: Ia = Ib + Ic = 1.2mA + .893mA = 2.093mA Measured: Ia = 2.1 mA Error = .33% Part II: Ra = 5,600 Ω Rb = 10,000 Ω Rc = 5,600 Ω Measured Currents: I1 = 3.4mA I2 = 1.2 mA I3 = 2.1 mA I4 = .7 mA I5 = .5 mA I6 = 2.6 mA Part III: Find Voltage at point A: Vtot = 12 V Rc = 5,600 Ω Ra = 10,000 Ω Req = Ra + Rc = 15,600 Ω I = V/R = 12/15600 = .769mA Vc = I*Rc = .769mA * 5,600 Ω = 4.306 V Va = 12 – Vc = 7.7 V Measured Vc = 4.297 V % Error Vc = .21%
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Ryan Johnson PHYS 121A Part IV: Ra = 10,000 Ω
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216 Lab KirchoffRule - Ryan Johnson PHYS 121A Lab 216...

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