Contents
How does Multisim measure voltage and current?
To measure voltage in Multisim we use probes.
- Locate the voltage probe icon at the left hand side of the screen.
- Place this on a wire in your circuit.
- Locate a reference probe on the left hand side of the screen.
- Place this on the wire that you would like to measure with reference to.
- Select the voltage probe.
Is capacitor always negative?
The resistance of an ideal capacitor is zero. The reactance of an ideal capacitor, and therefore its impedance, is negative for all frequency and capacitance values. The effective impedance (absolute value) of a capacitor is dependent on the frequency, and for ideal capacitors always decreases with frequency.
How do I see the charging of a capacitor in Multisim?
When Multisim simulates a circuit, it first finds the DC operating point. Once Multisim has evaluated this value, it uses it as the starting point. This is why the capacitor is fully charged at time zero. To see the capacitor charge, you must set the initial condition to zero volts rather than the DC operating point.
How to simulate voltage and current of a capacitor?
You can simulate voltage and current of a charging/discharging capacitor using the transient analysis function. Go to Simulate–>Analyses–>Transient Analysis.
How to simulate capacitor charging N discharging current?
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How to change the sampling rate in Multisim?
Under Initial conditions, click on the drop down menu to select Set to Zero. RC circuits are generally quite simple to simulate with default settings, Multisim may output the results too quickly on your screen. To slow down the simulation, increase the sampling rate.