Phasor facts for kids
A phasor is a tool in mathematics. It is used to show numbers in a different coordinate system. Certain electronic components have models that can be described more easily by the use of phasors. Inductors add a +90º "phase", while capacitors add -90º "phase". Both elements work on the imaginary axis. Resistors have 0º "phase", and are considered real.
Images for kids
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Fig 2. When function A \cdot e^{i(\omega t + \theta)} is depicted in the complex plane, the vector formed by its imaginary and real parts rotates around the origin. Its magnitude is A, and it completes one cycle every 2π/ω seconds. θ is the angle it forms with the positive real axis at t = 0 (and at t = n 2π/ω for all integer values of n).
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The sum of phasors as addition of rotating vectors
See also
In Spanish: Fasor para niños
