Write for ETAdvertise with UsSitemapPrivacy PolicyContact Us Electrical Technology HomeEE LibraryElectrical Wiring EE Popular Basic Concepts E-Machines Power System Analyzing Circuits Controlling More The Main Difference between Active and passive Components (Very Easy Explanation with Examples) Posted by: Electrical Technology 06/20/2013 in Basic Concepts, Basic Electronics, EE Instruments/Devices &Components, Questions/Answers (Electrical) 22 Comments Active and passive Commonest (Very Easy Explanation with Examples) Active Components: Those devices or components which required external source to their operation is called Active Components. For Example: Diode, Transistors, SCR etc… Explanation and Example: As we know that Diode is an Active Components. So it is required an External Source to its operation. Because, If we connect a Diode in a Circuit and then connect this circuit to the Supply voltage., then Diode will not conduct the current Until the supply voltage reach to 0.3(In case of Germanium) or 0.7V(In case of Silicon). I think you got it :) Passive Components: Those devices or components which do not required external source to their operation is called Passive Components. For Example: Resistor, Capacitor, Inductor etc… Explanation and Example: Passive Components do not require external source to their operation. Like a Diode, Resistor does not require 0.3 0r 0.7 V. I.e., when we connect a resistor to the supply voltage, it starts work automatically without using a specific voltage. If you understood the above statement about active Components, then you will easily get this example. :) In other words: Active Components: Those devices or components which produce energy in the form of Voltage or Current are called as Active Components For Example: Diodes Transistors SCR etc… Passive Components: Those devices or components which store or maintain Energy in the form of Voltage or Current are known as Passive Components For Example: Resistor, Capacitor, Inductor etc… In very Simple words; Active Components: Energy Donor Passive Components: Energy Acceptor Also Passive Components are in linear and Active Components are in non linear category. 642 1 0 3 11 9926 Share ! inShare About Electrical Technology Electrical Engineer. Writing for electricaltechnology,org You can contact us via Email or on Facebook. follow us on Electrical Technology on Google+ Also, Follow Engr Wasim Khan on Google+ Previous: Room Air Cooler Wiring Diagram # 2. (With Capacitor marking and Installation) Next: Three Phase Induction Motors MCQs with Explanatory Answers You may also read Traffic Light Control Electronic Project using 4017 & 555 Timer Traffic Light Control Electronic Project using 4017 & 555 Timer 10/02/2014 Basic Magnetic Terms definition with Formulas Basic Magnetic Terms definition with Formulas 08/21/2014 Why Power Plant Capacity Rated in MW and not in MVA? Why Power Plant Capacity Rated in MW and not in MVA? 05/21/2014 Why Motor rated in kW instead of kVA? Why Motor rated in kW instead of kVA? 04/26/2014 Why Battery rated in Ah (Ampere hour) and not in VA. Why Battery rated in Ah (Ampere hour) and not in VA. 04/23/2014 10+ Design & Simulation Tools for Electrical/Electronics Engineers Online 10+ Design & Simulation Tools for Electrical/Electronics Engineers Online 04/07/2014 22 comments Akki g 08/07/2013 at 6:02 am Hi Admin,Thanx for great efforts on this.I am confused with Diode.I've seen many sites as it is passive component.Whether the diode is active component or passive component. Reply Electrical Technology 08/07/2013 at 2:40 pm Diode is an Active component Reply Vivek T 10/13/2013 at 5:43 pm what do u mean by diode producing energy?? the explanation is vague above…plz eloborate Reply Anonymous 11/12/2013 at 2:40 am isnt it? diode can be L.E.D. and L.E.D emit light Reply Anonymous 11/13/2013 at 6:33 am so how do u xplain with diode alone, leaving apart L.E.D? also doesnt LED require a source for its operation? even a bulb gives out light energy when applied to a source, does that make bulb an active component?can u make it clear to me? Reply Anonymous 06/08/2014 at 10:55 am bulb z a type of resister,so it z a passive component.i think u got me… Reply PrO2xy 10/18/2013 at 11:44 am Yeah! These explanations are very vague! Active components don't HAVE to produce power, and Passive components don't HAVE to store charge. A resistor does NOT store charge, it merely lessens the current flow. Reply Anonymous 11/12/2013 at 2:41 am thats why he said OR maintain energy. resistor like u said, lessens the current flow. isnt it part of maintaining the energy? Reply Tariq Rajha 12/08/2013 at 3:56 am how resistor is energy donar??? can u explain it a bit Reply Electrical Technology 12/08/2013 at 10:52 am Read it carefully."Energy Donner or Maintainer" Reply Learner 12/11/2013 at 8:04 am You said devices which produce energy are called active components, on the other hand, you said active components are energy aceptors?sorry I really can't get it! Reply Electrical Technology 12/11/2013 at 2:10 pm Dear Learner@Plz read it carefully Reply Anonymous 12/13/2013 at 2:23 pm what is the difference between linear and non linear category? Reply Electrical Technology 12/13/2013 at 2:45 pm Nice Question….Wait for the upcoming Posts… Stay tune. Thanks Reply Electrical Technology 12/28/2013 at 2:01 pm Did you get it…. if no then followelectricaltechnology.org/2013/12/the-main-difference-between-linear-and-nonlinear-circuits.html Reply Vinod Chemmangattu 01/08/2014 at 4:59 am Very good explanation. thank you for sharing it… you are a good teacher… Reply Jovelee 02/08/2014 at 8:50 am hello! Wanna ask to please broaden the explanation. Im still confused Reply Anonymous 03/24/2014 at 1:11 am Please read the explanation carefully before u comment….dumbheads Reply chaudhary atiq 03/27/2014 at 7:42 am The capacitor stores charge initially and then it starts conducting, why is it not an active component then, like the diode which does not start conducting till it gets 0.7 volt for itself. Reply Electrical Technology 03/28/2014 at 7:43 pm it is not about conducting…but working & Operation!except ideal case, in 1st, 2nd & 3rd approximation, we assume that diode will never conduct until it gets 0.7V.. I.e we assume that it is not in working mode… whereas, in case of capacitor… it direct operates when we give supply to the capacitor terminals… no matter what is its working,,,, Storing charge or conduction of Reply Almaflor Brigildo 09/22/2014 at 9:29 am oh your answer is very correct thank you because you helping people who did what is the answer Reply Sankar 10/04/2014 at 6:32 pm Actually, the direction of Voltage & Current defines component type. If current flows from +ve to -ve potential => Passive If current flows from -ve to +ve potential => Active R=> Always Passive L , C => Sometimes Active & sometimes Passive Reply Leave a Reply Your email address will not be published. Required fields are marked * Name * Email * Notify me of follow-up comments by email. Notify me of new posts by email. Enter your Email for Latest Updates! 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