12th Physics महत्वपूर्ण प्रश्न उत्तर | Class 12th Physics Most Important Questions | Board Exam 2025

12th Physics महत्वपूर्ण प्रश्न उत्तर | Class 12th Physics Most Important Questions | Board Exam 2025
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[@nailapravin2662]

किसी प्रतिरोध तार जिसका जीरो सेल्सियस पर प्रतिरोध एवं तथा ताप में वृद्धि एक सेल्सियस हो तो तार के प्रतिरोध में जो वृद्धि होती है उसे ताप गुणांक कहते हैं

[@AjayKumarAman.-ck3gf]

किसी प्रतिरोध पर जिसका जीरो डिग्री सेंटीग्रेड पर प्रतिरोध एक ओम हो ताप में वृद्धि एक डिग्री सेंटीग्रेड होती है तो तार का प्रतिरोध जो वृद्धि होती से ताप गुणांक कहते हैं
Rt-R°/R°t=Alpha

[@gajendrakumar-um7wg]

Rt-R°/R°t =Alpha

[@SantoshKumar-uv6wo]

SIR good morning🌞🌞🌞🌞

[@gajendrakumar-um7wg]

किसी प्रतिरोध पर जिसका जीरो पर प्रतिरोध एक ओम हों ताप मे वृद्धि एक डिग्री सेटीग्रेड होता है तो तार का प्रतिरोध जो वृद्धि होता है उसे ताप गुणांक कहते हैं
rt-r°t=alpha🙏🙏🙏❤👍👍

[@Amit-nj5qe4re2g]

ज़ि सर आप पढ़ाते है तो समझ आ जाता हैं

[@manoharshah8851]

Good night sir

[@Bhaveshgupta92638]

जय माँ सरस्वती

[@Anishkumar-35]

Good morning ❤

[@DeepakSaini-90Saini]

Good morning 🌅🌄🌄🌅 sir
जय मां सरस्वती ❤

[@Colourful_wings]

Jai Maa saraswati❤❤

[@user-ps9cx3sj9y]

किसी प्रतिरोध पर जिसका जीरो डिग्री सेंटीग्रेड पर प्रतिरोध एक ओम हो ताप में वृद्धि एक डिग्री सेंटीग्रेड होती है तो तार का प्रतिरोध जो वृद्धि होती है उसे ताप गुणांक कहते है। Rt -R°t=Alpha❤❤

[@RahulMaurya-ls1rc]

Jai maa sarswati 🙏❤️😍

[@PragyaAwasthi-ux8mh]

# Alpha institute Pragya Awasthi option no C is correct

[@MR.Bihari-babu-no.1]

Good morning sir ji 🌄🌄🌄🌄🌄🌄🌄🌄🌄🌄🌄🌄🌄🌄
Jay maa sarswati 🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏
Jay bhim 💙💙💙💙💙💙💙💙💙💙💙💙💙💙💙💙💙
Pranam guruji aapke charno me aur aapko Dil se dhanyvaad ❤❤❤❤❤❤❤❤❤❤❤

[@ffmgamingsmooth2587]

किसी प्रतिरोध तार जिसकी जीरो पर प्रतिरोध एक ओम तथा ताप में वृद्धि एक बिंदु हो तो तार के प्रतिरोध जो वृद्धि होती है उसे तपप गुणांक कहते हैं

[@SachinYadav-re5gv]

Good morning sir # alpha institute. [ML2T-3A-2]
Pratham niyam paripath me sandi per Milne vali Dhara ka yog 0 hota hai yha avesh sanrakshan per kary karta hai.

[@SATYAMYA-b1t]

Satyam

[@RanjuYadav-bc2nt]

Partirodh 0c° 1wom ho to tap me bhiridhi ek 1c° hota to tar ke partirodh me bhiridhi ho jata hai 😊

[@AnkitKumar-vm6sb]

Good morning sir ji ♥️🙏🏻♥️♥️🙏🏻🙏🏻♥️🙏🏻♥️♥️🙏🏻🙏🏻♥️🙏🏻♥️♥️🙏🏻🙏🏻♥️

[@Devpal-ym8hz]

Jai maa sarswati 🙏

[@Bhaveshgupta92638]

Good morning❤❤❤

[@rajeshram9925]

Good morning sir❤❤❤❤

[@NidhiNishad-qn3bi]

Good morning sir jaiy ma sarswati ji

[@ShivamChaurasiya-cj2jn]

Good morning

[@ReetaYadav-ot2cq]

Jai ma sarswati ♥️♥️🥰🥰🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻

[@BhanuJoshi-ji1ni]

प्रतिरोधकी विमा-Ml2T-3A-2 ❤❤homework

[@RimjhimKumari-ot1kv]

Jai Maa Saraswati 🙏.........

[@ranjeetkushwaha9088]

Good morning sir🙏🙏🙏❤❤❤aj class mast thi

[@user-pz8hv7wl5t]

Kisi pratirodh taar jiski 0°pr pratirodh 1 ohm ho tatha taap mr viridhi ek bindu ho to taar ke pratirodh me jo bridhi hoti h use taap gudank kahte hai

[@user-eb4nv7hb4y]

Sir Shikhar 2.0bach 16 July ki subharm hogi

[@Ankushyadavankush-cq4kg]

Thnx sir imp question batane ke liye

[@user-ic8ds8yo5n]

Good morning sir 🌅🌅🌅🌅🌅🌅

[@Jayramsingh-yz8bd]

Jai maa saraswati ❤❤❤❤❤❤

[@user-nc1vs4yy9m]

# Alpha institute ❤❤
Name aashutosh kumar ❤
किसी प्रतिरोध पर जिसका जीरो डिग्री सेटीग्रेड पर प्रतिरोध एक ओम हो ताप में वृद्धी एक डिग्री सेंटीग्रेड होती है तो तार का प्रतिरोध जो वृद्धि होती है उसे ताप गुणांक कहते हैं
Rt - R०t = Alpha❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤

[@KhushiRaj-wb6th]

Pranam guru jeeee🎉🎉❤❤❤

[@Bhaiyalalsingh-kd4ns]

Sar Shikhar 2.0 Mein payment kar di gai hai Fir Bhi class Nahin Mil Pa rahi hai

[@SandeepKumar-gt6cl]

Good morning 🌅🌅 sir ji

[@Colourful_wings]

Good morning sir

[@ranjeetkushwaha9088]

[ML2T*-3A*-2]

[@Pk_motivation94]

🙏🙏🙏guru ji

[@Blackheartsv3pr]

Hi

[@its_____shiva____0001]

Nice class sir 🙏🙏🙏🙏

[@JagritiKumari-hb4ew]

# alfh institute name Jagriti kumari question ka answer [ML^2T^-3l^-2] c hai

[@AnjailKumari-z1r]

Kisi parti Rodham tar Niskayuna jiro se Selsiyas partirodh and tap me biridhi ek ........
@alaphainstitute❤❤❤❤❤❤

[@KajalKumari-tf1um]

Namaste sir ji

[@Mahikumari-cu3p]

Good morning 🌄🌅 sir ji 🙏😊

[@user-ic8ds8yo5n]

Good morning sir 🌄🌅🌅🌅🌅 yes sir

[@missranjanaofficial0.2]

Sir agar trijya di ho to koon sa sutra lagega

[@NDA_BOY_UP81]

Jay maa sarsvti 🙏🏻 ♥ ❤

[@SachinYadav-re5gv]

Dusra niyam paripath ki or bahene vali Dhara tatha sangat pratirodh ke bich ka bijgantiy yog us band pass me laga vithut vahak bal ke bijgantiy yog ke barabar hota hai ❤❤❤❤👍🏻👍🏻👍🏻👍🏻👍🏻💞💞💞

[@Rabbitff0008]

Present Sir ji ❤

[@Sahinkhan-x6y]

Good morning sir jay maa saraswati ❤

[@JitendraKumar-cw2mk]

Sir ham aap ke aane tak present hai

[@R.Pbysongs]

#❤jay ma sarswati 😊😊Alpha institute ❤name Ritu Patel 😊😊pratirodh ka bima option csahi hoga #

[@RimjhimKumari-ot1kv]

Good morning sir ✨

[@Prince_chandravanshi0]

Good morning sir 🌄🙏🏼🙏🏼🙏🏼🌄🙏🏼🙏🏼

[@shashisagar2233]

Jo ha sir ji 1 4 7 I am shashikant kumar...

[@AmanYadav-vi2go]

प्रतिरोध की विमा [ ML3T-3A-2]

[@AjayKumarAman.-ck3gf]

ऐसा परिपथ जो ओम के नियम का पालन करें ओमिया परिपथ कहलाता है

[@Kaluwaa-1u]

जय मां सरस्वती 🙏🙏
आंधी आए या तूफान इस बार 95 पार ❤

[@user-zl2jp8bz5z]

Jay Mata Saraswati ❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤

[@msdhonifanpage1212]

Alphainstitu# C pradhirodh ka bima

[@filmypage835]

alfa institute
Ganga
Answer
ML^+2T^-3A^-2

[@BhanupratapMaurya-qx3mz]

MLT-3A2

[@VidyaprasadSagar]

Good morning sir ❤🎉🎉

[@indianarmyloverboy2228]

Good morning bhai ji❤❤❤❤❤❤❤❤❤

[@PiyushYadav-dd2zr]

Sir good morning

[@Sahinkhan-x6y]

Good morning sir 😊

[@Ramkumaryadav-cm7qu]

Good morning 🌅🌅🌅

[@AdmiringKiteFlyer-if9oy]

Yes sir I am present

[@MayankKumar-vb9oi]

Sir aap physics ka chapter 2,3,4,5 ka derivation kara didiye

[@poonamnishad3908]

Thank you sir

[@ryadavry]

(ML²T-3A-²) thenku sir nice class ❤❤ Parli yadav

[@HimansuKumar-oh7gw]

Very ❤❤❤❤ nice 😊😊😊 class guru 😊🎉 ji😍😍😍🥰🥰🥰🥰💫💫💫💫💫💫

[@missranjanaofficial0.2]

Good morning sir 🌻🌻🌻

[@Rabbitff0008]

Jai Maa Saraswati Sir Ji ❤

[@ShivaYadav-yk5iy]

Jay maa saraswati sir❤❤

[@MoonYadav-nj3ty]

Good morning sir moon Raj

[@akulsingh7896]

Jay maa sarswati 🙏❤

[@GoldiDevi-gh6dt]

Jay maa sarswati 🙏🙏

[@AbhishekKumar-on3uj]

Good morning guru ji

[@Khushipandey-xm2hm]

Jai Mata Sarswati 🙏🏼 😊😊❤❤

[@Ankushyadavankush-cq4kg]

# alphainstitute
Present here sir

[@NirajKumar-rj3fl]

Jai mam sarswati bhaiya ji ❤❤❤❤❤❤❤

[@PSSengar-ud3qq]

Sir Shekhar 2.0 batch book Lenge tabhi join kar sakte hain Sir Maine book Pahle khareed liye Aur nostami Ka Dil Liye chalo to book Nahin Le to book Nahin Le to join nahin kar sakte

[@Ydvharsh0913]

Usme books free me milega

[@RiteshKumar-pn8hc]

Good morning sir ji 🌄🌄🌄🌄🌄🙏🙏🙏🙏

[@ramurawat6747]

Sir mujhe bhi batch join Karna hai😊😊

[@user-hq1vu7qf9w]

Good morning sir 🌄😊

[@PSSengar-ud3qq]

Pratirodhak ki Vima iska answer Shiva wala sahi hai

[@ChandarsinghSisondiya]

Sir class kab se start karoge shikar0.2❤😊😮

[@Lalsing-cw7mp]

Sir ham upse hai up bord sir

[@PremTirkey-hz2yf]

Parjent sir

[@Prince_chandravanshi0]

Good morning sir 🌄🙏🏼🙏🏼😊😊😊😊

[@SispalChoudhary-o4c]

Sir kitne minutes ki class hai

[@virendrayadav2390]

Good morning 🌅 sir

[@ffmgamingsmooth2587]

ML2T-3A-2

[@SandeepKumar-gt6cl]

किसी प्रतिरोध पर जिसका जीरो डिग्री सेंटीग्रेड एवं ताप पर वृद्धि डिग्री होगी

[@jugendrasingh9778]

Good morning dear Sir ji

[@user-dd5fc3is7i]

Good morning sir ji

[@ankeshlodhi-lg5oc]

Ok,sir

[@its_Purple_Queen]

Good morning sir 😊😊😊