Self-Bias Configuration of JFET (Graphical Approach)

[@jahansaid6382]

the slope is given by ID=(-1/RS)(VGS). VGS is negative, so it will make the whole equation positive, and as we increase RS(1/RS), 1 divided by a bigger number, we will get a smaller number, so it would decrease. Since it is decreasing, it would move toward X-axis.

[@sandylauguico7963]

Slope will decrease when Rs is increased and the Q-point will move towards the x-axis.

[@94D33M]

@Hamid Ali Shah Slope = (-1/Rs) , if you increase Rs, you are increasing the denominator so slope value(mod) will decrease. ( In reality actual value of slope increases because there is a minus sign, and actual value is going from more negative to less negative )

[@AnoNymous-po5sx]

@@94D33M Darlin you're wrong. What you've said is right if the case is Vgs as positive. But you know that in JFET we're having Vgs as negative. Calculate again and let me know. Final answer : Slope decreases as the resistance increases.

[@manjitsingh6168]

slope will decrease means it will tend toward xaxis or vgs and point will also tend towards vgs or x axis

[@ImranKhan-rp7hi]

Ans: load line will move downward towards x-axis and so slope decreases...

[@skprajapat5883]

Thank you so much sir 😍 I love the explanation....

[@weichongchee3003]

thank you sir, very well explained!

[@bubunmazumder]

I think slope as a whole will increase due to the -ve sign and hence it'll move towards the y-axis..

[@agstechnicalsupport]

Indeed graphical approach is much simpler than the mathematical

[@giuseppelepiscopo4391]

Will you create lessons for MOSFETs biasing and dc-ac analysis?

[@MATHEMATICSBYNITianHimanshu]

tq sir😀😄😍😍

[@aldyferns1115]

Life saver!!

[@ishu7531]

The slope with move towards the y axis as Rs is increased . For reference check, page 265 , electronic devices and circuit theory by Robert Boylestad

[@MrJojija]

slope = decrease & Q-point move towards X-axis

[@ganeshmula4508]

As Rs increases slope's magnitude value will decreases & Q point will move towards - ve x-axis

[@divineforyou7308]

r= -1\(0 ~1); so r= - 1 ; so slope will move towards x-axis, and Q-point move to x-axis

[@ashrafulislam8889]

Excellent sir

[@miiroderrick8821]

Thank you sir

[@kamleshnehra407]

Angle between straight line and x axis will decrease if R increase and that's why q point deflect towards x axis

[@prabhatgupta8522]

slope will increase and q point goves towars -ve x aix as graph is in 3rd quadrant

[@muhammad2104]

as RS is increased slope will decrease inverse relation and Qpoint will near to x axis

[@rishabhsisodiya877]

Slope will increase and Q point towards y axis

[@vasundhrasharma332]

On increasing resistance , slope will decrease n Q pt. will shift towards X axis

[@ABHISHEKKUMAR-.]

Slope will increase bz slope is -1/Rs so if we increase Rs the whole term will decrease but due to of neg sign present the slope will also increases . Slope will increases means tan theta increases and due to this it willshift towards y axis in Id side !!

[@prasannabiswas681]

slope will decrease as Id will decrease hence Q-pt. will shift towards x-axis

[@caDet07]

02:07 how the id= idss asper when vgs= bp the Id should be 0???

[@sddf2476]

I love indian 💗💗💗

[@ishmummonjurnilock8950]

I think the slope will increase due to the negative sign and will tend to go towards ID axis(y-axis)

[@nilaventhiranvespanathan5637]

can we assume the VGS? just like that?

[@pranjalpimpale8465]

Saviour neso 😭😭

[@k.m.sayembinrahmotullah8721]

How to measure Idq and Vgsq from the graph ??

[@dhruv1863]

By looking at the graph. Finding the intersection on x and y axis by looking at it.

[@faisaltashildar7728]

As the Rs is increasing the q point will shift towards the x axis ( downwards )

[@MansAO-bv7ok]

From where did we get the number 4 in Idss/4 in 2:40?

[@wessionaldo6853]

It's a formula

[@MansAO-bv7ok]

@@wessionaldo6853 Thanx, I graduated anyway

[@wessionaldo6853]

@@MansAO-bv7ok Wth why was this response so fast lmao. Congrats mate you still alive. I got my exam tomorrow so watching videos likes these XD

[@MansAO-bv7ok]

@@wessionaldo6853 because I was shocked someone respond to me in 4 years about a topic I dont even remember when I took it 😂😂, good luck on your exam tho

[@kaberimitra4920]

Slope of the curve will decrease if we increase Rs. Thus the st.line will shift towards x-axis and Q-point will also shift towards x-axis.

[@ZEdds414]

All clear but how did you find q point?

[@SpidyAkash]

Pls sir....make video of differential amplifier

[@sadmansohan415]

By increasing Rs the operating point will move towards X-axis

[@Sidd-rb4ec]

When Vgs =Vp Id is zero right at 2:31

[@sagar8234]

We will never get the approx q point is this method worth it ...and what about mathematical approach

[@PixelproAnimation]

Sir i could not understand Qpoint ? How to findout plz tell

[@saravind3153]

Sir, at pinchoff voltage the drain current gets saturated to Idss, but when we substitute Vgs=Vp The drain current is becoming zero Can you please clear it sir

[@abhisheksahu664]

At pinch off voltage drain current will be nearly 0, it can't be Idss., It'll be 0.

[@krishnatejamalakajgiri4442]

towards x

[@murtazabugti8305]

confusion about ID=IDSS/2 WHY IT NOT =IDSS/4

[@AnoNymous-po5sx]

I took Idss/100000. But i had to do 99999 other substitutions to find out the accurate graph.

[@nehabhat528]

why Idss/4, y not Idss/2

[@jetherilad9063]

How to get VGSq?

[@bamers404]

Since the mathematical approach, you didnt even tell us what is current of the drain???

[@patalamrithish6838]

We can find I D using Schottky equation 🙄😔

[@VeerPodcasts]

as the Rs increses the slope decreases

[@TheLearnersChannel]

Sir what about your channel Neso academy in Hindi. I was student of Hindi medium so I want the videos in Hindi. Please help me *

[@rakeshsr1738]

How Id = Idss/4

[@patalamrithish6838]

If vgs= vp/2 Then id=idss(1-(vgs/vp))^2 id=idss(1/2)^2 id=idss/4👍😊

[@mishii05tmm]

Gase gase slope brhte gae ge q point b brhta gae ga

[@nagendrababu570]

slope decreases

[@nagendrababu570]

moves towards x axis

[@muhammadjasrulhaikal6709]

how to assume the Vgs?

[@muhammadjasrulhaikal6709]

thanks

[@surajpurohit467]

X

[@surbhikakumari7581]

If Rs increases then slope will decrease and operating point willove upward.