Solving Circuits With DC Voltmeter

[@electriccircuits7164]

# Pyspice (Python) code to simulate Example 3 in the video # Compare with theory solution in the video at 11:30 (without voltmeter) ########################################################## import PySpice.Logging.Logging as Logging logger = Logging.setup_logging() from PySpice.Spice.Netlist import Circuit from PySpice.Unit import * circuit = Circuit('Voltmeter - Example 3') circuit.V(1, '1', circuit.gnd, 7.5@u_V) circuit.R(1, '1', '2', 20@u_kΩ) circuit.R(2, '2', circuit.gnd, 80@u_kΩ) circuit.R(3, '1', '3', 390@u_Ω) circuit.R(4, '4', circuit.gnd, 200@u_Ω) circuit.V('zero', '2', '5', 0@u_V) circuit.V(2, '5', '4', 0.6@u_V) circuit.F(1, '3', '4', 'Vzero', 39) simulator = circuit.simulator(temperature=25, nominal_temperature=25) analysis = simulator.operating_point() for node in analysis.nodes.values(): print('Node {}: {:1.4f} V'.format(str(node), float(node))) for node in analysis.branches.values(): print('Node {}: {:5.3e} A'.format(str(node), float(node))) ###################################################################### # Calculate and display the currents in each reistor i1 = (analysis['1'] - analysis['2'])/circuit.R1.resistance print('i1{}: {:5.3e} A'.format(str(i1), float(i1))) i2 = (analysis['2'])/circuit.R2.resistance print('i2{}: {:5.3e} A'.format(str(i2), float(i2))) i3 = (analysis['1'] - analysis['3'])/circuit.R3.resistance print('i3{}: {:5.3e} A'.format(str(i3), float(i3))) i4 = (analysis['4'] - analysis['3'])/circuit.R4.resistance print('i4{}: {:5.3e} A'.format(str(i4), float(i4)))