Contents
What is inductive reactance XL?
Inductive reactance or simply reactance is the resistance of an inductive circuit. It is termed as reactance because it is slightly different from the resistance offered by any device. And it is denoted as XL. Inductive reactance is the resistance offered by the inductive circuit.
What is inductive reactance and capacitive reactance?
If the reactance releases energy in the form of a magnetic field, it is called inductive reactance whereas if the reactance releases energy in the form of an electric field, it is called capacitive reactance. An ideal resistor will have zero reactance, whereas ideal inductors and capacitors will have zero resistance.
What is the difference between impedance and inductive reactance?
Impedance is the combination of resistance and reactance. When reactance is present, it creates a 90 degree phase shift between voltage and current, with the direction of the shift depending on whether the component is an inductor or a capacitor. Reactance that occurs in an inductor is known as inductive reactance.
What is the formula for inductive reactance XL?
The formula for calculating the inductive reactance of a coil is: inductive reactance, or XL, is the product of 2 times p (pi), or 6.28, the frequency of the ac current, in hertz, and the inductance of the coil, in henries. XL =2p x f x L. L = the inductance value of the coil in henries.
What is the relation between inductance and reactance?
Inductance is a quantity that describes a property of a circuit element. Reactance is the effect of that inductance at a given frequency. A clear difference because the units for each is different. Inductance is the ability to create a voltage within a conductor or a nearby conductor by changing the current flow in that the first conductor.
How do you find total inductive reactance?
Inductive Reactance (X L) Calculations Work out the answers using pencil and paper; redraw the circuit you are working on. List the items of information you are given, and what you need to find for your answer. Once you have listed the information in step 2 (above), you will need to decide on which appropriate formula (or formulae) to use.
Does reactance increase with an increase in inductance?
The inductive reactance increases with either increase in inductance or increase in frequency. Hence the inductive reactance varies linearly with inductance and frequency. So the opposition to the current flow increases with increase in inductance or frequency.
How does reactance of inductors depend on frequency?
The inductive reactance of an inductor increases as the frequency across it increases therefore inductive reactance is proportional to frequency ( XL α ƒ ) as the back emf generated in the inductor is equal to its inductance multiplied by the rate of change of current in the inductor.