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is equivalent to a pure resistance. (E5C12) '''The coordinate system that is often used to display the resistive, inductive, and/or capacitive reactance components of an impedance is rectangular coordinates.''' (E5C13) The coordinate system that is often used to display the phase angle of a circuit containing resistance, inductive and/or capacitive reactance is polar coordinates. (E5C14)
Capacitors block DC signals and pass AC signals. Their resistance, ideally, is purely reactive (no real part to its impedance). For a sine wave of frequency f passing through a capacitor, the reactance is given by the equation: \$X_C\$ =1/(j \$\omega\$C) = - j /(\$\omega\$C). |\$X_C\$| =1/(2*\$\pi\$*f*c).\$\omega\$=angular frequency (rad/s).C=capacitance(Farads). f=frequency (Hz). Similarly, how to calculate the reactance for a capacitor when a square wave is passing through it.or a sine wave of frequency f passing through a capacitor, the reactance is given by the equation: \$X_C\$ =1/(j \$\omega\$C) = - j /(\$\omega\$C). |\$X_C\$| =1/(2*\$\pi\$*f*c). \$\omega\$=angular frequency (rad/s). C=capacitance(Farads).