- #1
joe007
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Homework Statement
draw an argand diagram of the complex voltage v at t=pi/1800, also how do i obtain the instantaneous voltage
Homework Equations
i = lcoswt
The Attempt at a Solution
well so far i have a straight line
An argand diagram is a graphical representation of complex numbers on a plane. It is a Cartesian coordinate system where the horizontal axis represents the real part of a complex number and the vertical axis represents the imaginary part.
An argand diagram is used to represent complex voltage because it allows us to visualize the magnitude and phase of a complex voltage. This is important in understanding the behavior of AC circuits, where voltage is represented by a complex number.
To draw an argand diagram of complex voltage, first plot the real part of the voltage on the horizontal axis and the imaginary part on the vertical axis. Then, use the Pythagorean theorem to find the magnitude of the voltage and the inverse tangent function to find the phase. Finally, draw a vector from the origin to the complex number representing the voltage.
An argand diagram of complex voltage provides information about the magnitude and phase of a complex voltage. It can also show the relationship between different complex voltages in a circuit and help in understanding the behavior of the circuit.
One limitation of using an argand diagram is that it only represents a single complex voltage at a specific point in time. It does not show the time-varying nature of AC circuits. Additionally, it can be difficult to accurately draw and interpret the diagram for complex voltages with very small or very large magnitudes.