PYQ Chapter 3 Current Electricity Class 12 | Most Expected Question Current Electricity | CBSE Class

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Комментарии : 411

@sikeko2528 9 месяцев назад

Please sir continue the series it's helping us a lot 🙏🏻🙏🏻 thank you so much for this🙏🏻🙏🏻

@prembirsingh2789 8 месяцев назад

13:16 In case of conductors , increase in temp increases the resistivity and resistance which decreases conductivity Increase in Temperature of alloy increase the resistivity and resistance which ultimately decreases the temperature In case of semiconductor and electrolyte the increase in temp decreases the resistivity which increases conductivity ❤

@PrashantKumar-te4xq 8 месяцев назад

59:16 not behaves as semiconductor it behaves as superconductor. 😊😊

@dreamcars5579 15 дней назад

Yes bhai sahi bola

@Menace0007 9 месяцев назад

59:32 sir it's not semiconductor it is superconductor so correct it accordingly

@koalabetter 19 дней назад

it cannot be corrected......

@ranisharma7194 8 месяцев назад

59:13 Hg behaves like superconductor at 4 kelvin Thank you for your kindness sir 🙏🎉❤

@I_am_the_Upgrade 8 месяцев назад

12:55 Yes Sir, My Answer was correct, with the same logic as you explained, but while deciding for the Graph (i) for material A, I only thought of semiconductor and not an electrolyte. But few minutes later I realized that it can also be an Electrolyte...

@sufiyan_xyzz 7 месяцев назад

1:13:00 But sir drift vel to area of cross section ke inversely proportional hota hai na??

@07FS 2 месяца назад

yes, i think it slipped out of his mind. thanks for commenting, I got assurance that its a mistake and I am not making any blunder.

@pshg-ghet-sgz 9 месяцев назад

Please continue these series and it would be really helpful if thsese series is completed by jan. 15 so that we can focus on other types of questions related to these

@PeachesDaisuke 8 месяцев назад

sir in question 8 27:19 .... itna sab kuch karne se acha ham sedha dono equation ko divide nhi kr sakte h ...H and H {new} ki equation nikal lete dono ke lea phir unha divide kr deta answer phir bhi 2H ata...

@saritadevi-pr5xc 7 месяцев назад

26:06 sir ye direct H=V²/Rt se hojayega

@Bro-ud9lv 7 месяцев назад

1:00:51 it's the graph of I-V not V-I so resistance is negative from 0-B

@atomsandhormones 7 месяцев назад

😂😂😂

@WiseWizard-l5l 3 месяца назад

i was searching for the same ...thanks brother (eventhough its been 6 months )

@Sammy-rm9rz Месяц назад

no its correct only. check the textbook.for I-V graph -ve resistance is from B to C only

@sonupawar1234 14 дней назад

I had the same doubt , but the slope will become 1/R instead of R , which is still positive.

@imaadrahman4073 9 месяцев назад

SIr at 58:59 mercury behaves like super conductor at low temperatures right? please clear my confusion

@faiquafatima5790 9 месяцев назад

i had the same doubt and yes i think ans is super conductor/ideal conductor only i asked my tchr ill let u know

@sudhanshushashii 9 месяцев назад

"At" 4k behaves as superconductor and "near" 4k behaves as semiconductor

@Yash-qs9lu 7 месяцев назад

Yupp u r correct 💯

@raj_varansi5905 9 месяцев назад

59:42 Jbb resistance 0 Hain tho semiconductor kyu?? Superconductor ka resistance=0 assume kra gya haina..

@ArmyLover-kd5iq 8 месяцев назад

43:30 question me hm agr P=VI formula use kr k P aur V se I=2.2 nikal kr.....‼️ V=110 se P nikalo to glt aarha h Tb P=242W aarha h Why❓❓❓

@shouryagupta5850 Месяц назад

Tarika galat h

@mission_2k30 8 месяцев назад

Need not buy educart q bank😂 sab yahain pe hain

@RohitSingh-p7l Месяц назад

Sahi kah rha ha 😅

@awwrat 23 часа назад

@@RohitSingh-p7l you bought?

@Your_motivation262 Месяц назад

27:17 sir yes mane resistance ki value to change kare par current ko change karna bhul gya . Per jab apne kha current change hoga fir answer hogya tha

@kalpesh-th6to 9 месяцев назад

Thankyou so much for these awesome series sir! I've finally got hopes that I can do better in physics by these series. Please continue these series and it would be really helpful if thsese series is completed by jan. 15 so that we can focus on other types of questions related to these

@kanishkaambawat 9 месяцев назад

Sir we are loving this series a lot, please continue this series and one more request sir, if u could finish this series before January end bcoz its this time only in which which we can do question practice, cos after that there wont be much time left! Sir the videos are awesome, continue this series 👍

@jaatgamerz2441 2 месяца назад

Was this video worth it ??

@kanishkaambawat 2 месяца назад

@@jaatgamerz2441 yesss definitelyyy, I scored 91 in this years board examination

@ShikharSingh08 6 дней назад

@@kanishkaambawathlo. CS kaha se padha apne?

@kanishkaambawat 6 дней назад

@@ShikharSingh08 sorry, I didn’t have CS as my 5th subject

@Mickymouse-qk5bl 17 дней назад

27:21 par use v²t/r to get answer In one manipulation

@devilslayer6462 9 месяцев назад

Sir in 24 Part B I-V graph is given so it works opposite of VI graoh so negative Resistance is at AB region where Slope is Positive Edit:Sir's Answer is correct

@vedantbhalgama3531 9 месяцев назад

Exactly mai wahi soch rha tha

@devilslayer6462 9 месяцев назад

No bro sir ka answer sahi hai resistance uss jagah negative hoga jis jagah V badh rha and still I nahi badh rha hai

@vedantbhalgama3531 9 месяцев назад

@@devilslayer6462 ohhh yes thank you bro

@devilslayer6462 9 месяцев назад

@@vedantbhalgama3531 No Problem Brother

@palaksharma513 7 месяцев назад

1:13:37,, sir in 29th que drift velocity will be doubled on reducing the area to half. Isn't it

@affaisoworlsddggg 7 месяцев назад

Yes, drift velocity is inverse prop to area so it will be 4times

@UtkarshMishra-kw4nz 7 месяцев назад

Vd= I/neA me rakhenge toh area wale ka radius half toh four time jab 4 upar jayega shi haina?@@affaisoworlsddggg

@AlishaAnsari-wh3zc 21 день назад

Bro if the area is halfed then the resistance will also be halfed they will compensate each other hence no effect

@aditya_ongod1540 7 месяцев назад

59:27 sir it will behave as a superconductor not a semiconducor

@sufiyan_xyzz 7 месяцев назад

Tru😂

@bangtanforever2439 8 месяцев назад

8:19 13:10 31:49 36:40 38:01 41:05 47:18 57:39 59:12 1:07:38 1:13:20

@meenameena291 9 месяцев назад

Thank you sir for this series. It is really helpful for us please finish all the chapters fast.

@xAsHxI 7 месяцев назад

1:12:52 wrong,vd is inversely proportional to A,plz correct me if im wrong

@SAPLUPLIA 7 месяцев назад

Yeah I was thinking the same thing. Cuz I=neAVd. So Vd=I/neA

@R.K.TanusyaKhumari 7 месяцев назад

Same here..

@Abhay--1 7 месяцев назад

@@SAPLUPLIA Vd remains same bcz vd is independent of diameter

@DHRUVYADAV-yb3qk 2 месяца назад

27:24 sir it will be easy to apply the formul V^2 T/R for Heat😊

@sakshibaghel30 9 месяцев назад

Thankyou sir much sir for this series is very helpful for us mna appki book la rakhi hai pr mara sa question nayi pan pata hai pr ab app usi book ka question kra raya ho tho muja prasani nayi ho rayi or mai baki ka question bhi bna pa Rayi ho thanks you so much Please continue this series Or baki ka chapter ki jaldi jaldi kro do❤❤❤❤😊😊

@chhayaaryaarya4552 8 месяцев назад

sir plz continue the PYQ series and also provide all important graph 🙏🙏

@BinitBarnwal 3 месяца назад

27:24 Sir, isme maine H= V²/R ×t wala formula lagake nikal liya. H= V²π r²•t /pl me jo change hua uska value baitha diya. H` sidha 2H aa gya 😅

@vaibhavyadav74105 9 месяцев назад

sir in q no 24 mercury behaves as superconductor

@kunalgamer3009 9 месяцев назад

Please Sir continue this series 🙏 , it will very helpful for us 😊

@architdhingra8448 8 месяцев назад

bhaiya 20:10 wale question me bohot lamba method use kiya hai iski jagah agar aap V^2/R use karoge to sirf resistance ko solve karna padega

@Realdick-wk6pk 8 месяцев назад

Sahi hai bhai ekdam 👍👍👍👍

@factsfactory.4731 7 месяцев назад

Nhi bhai aise to mera ans H /2aa rha h

@factsfactory.4731 7 месяцев назад

@@Realdick-wk6pkEk baar explain kr dena

@architdhingra8448 7 месяцев назад

@@factsfactory.4731 are bhai 1st case me to tu resistance ko R lele to fir V^2/R = H aayega . fir tu 2nd cse me R solve kar (R=rho*L/A ) se fir vo R/2 aayega to New Heat=V^2/(R/2) aayehi matlab New Heat=2(V^2/R)=2H

@Amit-c9s1g 7 месяцев назад

Best series for physics on you tube ❤

@Saimehak2906 3 месяца назад

12:52- mene yahi socha tha, bcz aapki one shot dekhkar aayi hun

@AKKUFFLIVE 9 месяцев назад

Sir ye series bhot helpful h please 2nd book ke chapters ke pyq bhi jaldi upload kr dijiyw

@SaloniGupta-gd6jc 9 месяцев назад

Sir aap jldi pyq Karaiye I mean sabhi chapter ka...it's very helpful for my pre board 2nd...😊

@haztechgamerz882 7 месяцев назад

Sir isme krichofs kaw se question ni h na hi combination of cell se?...

@adiyendraverma4216 8 месяцев назад

Q 17 inside - to + out side + to -

@Varshyam18 9 месяцев назад

Sir mujhe physics mai working model banana hai practical ke liye koi aisa bata do Jo Kam time mai perfect ban Jaye

@shikhamaheshwari3874 9 месяцев назад

Sir We need this series Thank You

@skkashif232 9 месяцев назад

Sir we need PDFs of the sessions please sir..thank you ☘️

@mansimishra6168 7 месяцев назад

Best of luck for tomorrow

@pritichaurasia5258 9 месяцев назад

What about wheatstone bridge, that is important

@thefresherfitness6804 8 месяцев назад

59:15 Sir it would behave like superconductor not semiconductor. ... 😊😊😊

@AnkitSharma-ex8vk 8 месяцев назад

But sir the graph is I-V graph so shouldn't it resistance -ve while going up 1:00:10

@AnkitSharma-ex8vk 8 месяцев назад

Anyone pls clear my doubt asap

@PrazEditX_ 7 месяцев назад

I also have same doubt

@adityaabhinabaPradhan 9 месяцев назад

40:57 38:54 33:17 21:23 27:47 44:40 52:33 58:15 1:01:39

@adityaabhinabaPradhan 9 месяцев назад

Doubt 1:12:50

@Pradeepthakur_g1 12 дней назад

12:52 sir mene ulta soch liya tha 😅 mera answer A wala tha Thodi confusion ho gyi thi😊

@tanishk565 9 месяцев назад

Sir this series is very helpful for us..plzz continue sir

@AnishAryan027 8 месяцев назад

Q17 - C

@pranaypatriots 9 месяцев назад

Sir... Part 2...still waiting...

@KritiMishra-e2q 9 месяцев назад

Sir plz add kirchhoff law question

@shwetayadav3436 9 месяцев назад

Sr maine aise socha tha temp badhane pe resistivity badhati h for metal so maine isliye B ans diya

@antrikshchoutala1303 7 месяцев назад

47:15 current

@Rohitbhai65429 7 месяцев назад

😢 hello sir aap confusion bhot jyada krbate ho koi ek formula se questions btao n 34:35 ya sidha sidha btao likhte ho fir erase kr dete ho

@akhilpandey260 9 месяцев назад

Sir iam getting improved in each day ❤

@kashivaranasi65 8 месяцев назад

sir iv graph hai na ki vi 1:00:16

@prithvisingh9296 9 месяцев назад

Sir plz jaldi se 30 min ke lec upload kar dijiye wave optics and em waves ke and carry on such a nice pyq sessions 😃

@kumkumthakur8709 9 месяцев назад

Sir konsi book h revision ke liye questions ki jrurat pdegi

@Ishachawla143 7 месяцев назад

30:01 (c ) option is ❌ (B) option is ✅ May be

@Heybroo-d4i 7 месяцев назад

How

@dewanshvishwakarma837 9 месяцев назад

Sir app educart ke sare question solve karenge

@its_nature_of_sk 9 месяцев назад

Best utube channel for boards physics preparation ❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️

@swetapandey4225 8 месяцев назад

Sir mera logic bilkul aapse mil rha hai 😊😊😊 Time 12:10

@adivaaaaaa 9 месяцев назад

In q16 couldnt we didnt we take P=VI and just equate p1/p2= v1/v2?

@avantika8206 2 месяца назад

Ye board ke liye hai ya neet ke liye

@ShikharSingh08 6 дней назад

Board

@arnavjain5323 7 месяцев назад

59:12 why semiconductor?

@daksh9696 7 месяцев назад

Kyuki Semiconductors me resistivity par Temperature ka effect negative hota hai And is graph me 4 Kelvin tak Resistance Zero raha is wjah se near 4K Hg is behaving as a semiconductor

@tanweeralam1998 9 месяцев назад

Sir current electricity ke one video mai (43:22 time) question no 16 mai P=VI ka formula nahi use kar sakte hai?????

@faiquafatima5790 9 месяцев назад

no bcos both r variables

@Zero_gaming7 9 месяцев назад

Sir class 11th ki bhi videos Sir hamare bhi important questions answer ki video please sir

@explainme7814 9 месяцев назад

Sir ques 10 me current bhi to area pe depend krta h I=neAVd To current constant ku hua Sir plz reply❤

@Paru-f4h 8 месяцев назад

Ser mercury behaves as superconductor

@rishabh22332 7 месяцев назад

Sir mene 3rd chapter aapse June me padha tha...or aaj uska 30min series se revision Kiya.. Fir m pyq krne aaya....sir mere saare MCQ correct the... Mene bhi aapke jese concept soche the ques krte waqt.. Thanks you sir ❤❤

@thek0079 7 часов назад

IMPORTANT PYQ: 37:29 , 9:42 , 35:14 , 57:41 , 1:01:26 ,1:13:35 ,

@BinitBarnwal 3 месяца назад

27:28 Thanku Sir 😋😂

@alveerasyed2099 7 месяцев назад

question 10 . electric field does not depend on cross section . in Arihant pyq books its answer is current and e field ?? and on google too ..... which is the correct answer??

@waowchannel 7 месяцев назад

Sir ne sahi ans bataya h ... Google pr bhi yhi h R logically bhi shi h

@alveerasyed2099 7 месяцев назад

thank you@@waowchannel

@Abhisheksahusir 9 месяцев назад

Order my Sample paper Book- amzn.to/47dGIxh

@kattyjohnson4180 7 месяцев назад

At 1:07:05 calculation is wrong, sir forgot to square the denominator of current expression

@deveshpandit9303 9 месяцев назад

Apko tahe दिल se sukriya guru ji❤

@sgamer3004 4 месяца назад

Sir 9 questions ma too v ko 2 increase kiya ha na kii double 27:54 phiraapna ya kaisa kar diya

@PRANJALNOTFOUND 8 месяцев назад

Sir conductor ka free electron density to constant rhta hai ? Please correct me

@aryapandey7184 9 месяцев назад

sir question 8 mei answer H/2 aayga...kyuki hume 2nd wale wire ki heat find out krni thi ... please ek baar check kariyega

@fitnessdiary26 9 месяцев назад

Bhai sahi hai sir ka tumne sirf Resistance change ki par usme Current bhi change krna padega Tab aaeyga answer

@hemlatasharma-yi1tg 3 месяца назад

12: 50 sir tukke se B socha tha

@Your_motivation262 Месяц назад

19:52 c sir kud se kiya

@mansimuskan6324 9 месяцев назад

12:57 ha sir maine approx apke jaisa hi socha tha

@LeesaRai-o9p 9 месяцев назад

Pls sir continue this series this is very helpful for us ...your the best teacher...❤💯😚

@achintyasingh4932 8 месяцев назад

27:36 Sir Aashirwad dijea ki exams acche jye🤞🙏

@khatana_gurjar. 9 месяцев назад

1:05:42 sir isme B part me DE ans bhi to ho skta h?

@nasimgaming....4898 29 дней назад

12:54 sir mine was correct I relate it to temperature dependece of semiconductor 😅

@VALtRyEK944 9 месяцев назад

I like this series ,,, plz keep this series continue

@infinitygaming7862 8 месяцев назад

sir can you please check graph of q25 ,would u?

@abhishekdhiman6702 9 месяцев назад

Sir part 2 bhi jaldi jaldi upload kr do❤

@ahmadaffan123 9 месяцев назад

Bahut shukriya siir , pleasenisei last tak continue rakhiye

@asifkhan123DL 9 месяцев назад

Very helpful , continue as it is ....

@Your_motivation262 Месяц назад

8:44 B

@cricat100 8 месяцев назад

At question 24 a mercury acts as super conductor

@Avnish0001-j8o 3 месяца назад

My answer is right at que 5

@yashikaagrawal8599 7 месяцев назад

59:18 but yahan to yeh super conductor ki tarah behave krna chaiye tha na ? Correct me if I'm wrong

@israelahi1207 9 месяцев назад

Sir plz jo numerical based chapters h unke pyq series jld s jld de dijye sir like ray optics wave optical, Ac,

@ikrishi_ 8 месяцев назад

12:48 according to page 104 I thought the same

@I_am_the_Upgrade 8 месяцев назад

47:20 Current!

@ARJUN-ys1lx Месяц назад

guys i am new to 12th .. are the questions in board exam this simple?

@sinngh6000 2 месяца назад

35:43 V=IR se bhi 2.8 ohm aa rhaa hai