Question

Compare resistance and reactance.

Answer 1

Resistance	Reactance
It is a property of a material or component that opposes the flow of current through it.	It is a property of a material or component that opposes the change of voltage across it.
It is measured in ohms (Ω).	It is measured in ohms (Ω).
It is caused by frictional forces that slow down the movement of electrons through a material.	It is caused by the capacitance, inductance, or frequency of a circuit element.
It dissipates energy in the form of heat.	It stores and releases energy in the form of an electric or magnetic field.
It remains constant irrespective of the frequency of the input signal.	It varies with the frequency of the input signal.
It determines the amount of current that flows in a circuit for a given voltage.	It determines the phase relationship between the voltage and current in a circuit.
It is used to control the flow of current in a circuit.	It is used to control the phase of the current relative to the voltage in a circuit.
It can be represented as a purely real value in a complex impedance.	It can be represented as a purely imaginary value in a complex impedance.