Complex Power – Definition, Explanation & Significance

Definition: Complex Power is basically the representation of electrical power in the form of complex number. Like a complex number, it consists of real and imaginary part. Real part represents the active power whereas the imaginary part represents the reactive power. It is generally represented by symbol S. If active and reactive power be P … Read more Complex Power – Definition, Explanation & Significance

Unilateral and Bilateral Elements

Unilateral and Bilateral Elements are the two different types of electrical / electronic circuit element on the basis of their V-I characteristics on reversal of voltage polarity. This article describes Unilateral and Bilateral Elements and circuit in detail with relevant diagrams. Unilateral Elements: Unilateral elements in electrical circuit is defined as the element whose V-I … Read more Unilateral and Bilateral Elements

Impedance Triangle

Definition: Impedance Triangle is a right angled triangle whose base, perpendicular and hypotenuse represents Resistance, Reactance and Impedance respectively. It is basically a geometrical representation of circuit impedance. Explanation of Impedance Triangle: Impedance consists of two components viz. resistance and reactance. Therefore, it can be expressed in these two components. Let the impedance of an … Read more Impedance Triangle

What are Reactance and Impedance in Alternating Current Circuit?

Reactance is defined an electrical quantity due to which alternating current is opposed by inductor or capacitor or combination of both of them in a circuit. Impedance is the net opposing factor to alternating current. Reactance may also be called impedance offered either by inductor or capacitor. Reactance is denoted by X and impedance by … Read more What are Reactance and Impedance in Alternating Current Circuit?

Difference between Resistance and Impedance

The main difference between Resistance and Impedance is that resistance opposes the flow of DC & AC current whereas Impedance only opposes the flow of AC current. Impedance is having meaning only in AC circuit. It does not have any meaning in DC circuit. Another major difference between resistance and impedance is that impedance may … Read more Difference between Resistance and Impedance

Voltage Division Rule – Explanation, Formula & Derivation

What is Voltage Division Rule? Voltage Division Rule states that the total voltage applied across a series connection of multiple resistors is divided among the resistors in proportional to their resistance.  This means, the voltage drop will be maximum across the resistor having maximum value of resistance. Likewise, it will be minimum for resistor having … Read more Voltage Division Rule – Explanation, Formula & Derivation

Current Division Rule – Explanation, Formula & Derivation

What is Current Division Rule? Current Division Rule states that the total current divided into either of the parallel combination of two resistance or impedance is inversely proportional to the value of resistance / impedance. It basically tells us how the current is divided in the parallel connected resistance. This rule is applicable for AC … Read more Current Division Rule – Explanation, Formula & Derivation