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Forwarded from R
Ap polytechnic exam question paper
Forwarded from R
ElectricalAndElectronics14032020S2_23109811.pdf
2.6 MB
ElectricalAndElectronics14032020S2_23109811.pdf
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Forwarded from ELECTRICAL CRATS
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Forwarded from ꧁㉨༒☬༺🎯James ✪ Bond🎯༻☬༒㉨꧂
Important maths formula---

(α+в+¢)²= α²+в²+¢²+2(αв+в¢+¢α)
1. (α+в)²= α²+2αв+в²
2. (α+в)²= (α-в)²+4αв b
3. (α-в)²= α²-2αв+в²
4. (α-в)²= f(α+в)²-4αв
5. α² + в²= (α+в)² - 2αв.
6. α² + в²= (α-в)² + 2αв.
7. α²-в² =(α + в)(α - в)
8. 2(α² + в²) = (α+ в)² + (α - в)²
9. 4αв = (α + в)² -(α-в)²
10. αв ={(α+в)/2}²-{(α-в)/2}²
11. (α + в + ¢)² = α² + в² + ¢² + 2(αв + в¢ + ¢α)
12. (α + в)³ = α³ + 3α²в + 3αв² + в³
13. (α + в)³ = α³ + в³ + 3αв(α + в)
14. (α-в)³=α³-3α²в+3αв²-в³
15. α³ + в³ = (α + в) (α² -αв + в²)
16. α³ + в³ = (α+ в)³ -3αв(α+ в)
17. α³ -в³ = (α -в) (α² + αв + в²)
18. α³ -в³ = (α-в)³ + 3αв(α-в)
ѕιη0° =0
ѕιη30° = 1/2
ѕιη45° = 1/√2
ѕιη60° = √3/2
ѕιη90° = 1
¢σѕ ιѕ σρρσѕιтє σƒ ѕιη
тαη0° = 0
тαη30° = 1/√3
тαη45° = 1
тαη60° = √3
тαη90° = ∞
¢σт ιѕ σρρσѕιтє σƒ тαη
ѕє¢0° = 1
ѕє¢30° = 2/√3
ѕє¢45° = √2
ѕє¢60° = 2
ѕє¢90° = ∞
¢σѕє¢ ιѕ σρρσѕιтє σƒ ѕє¢
2ѕιηα¢σѕв=ѕιη(α+в)+ѕιη(α-в)
2¢σѕαѕιηв=ѕιη(α+в)-ѕιη(α-в)
2¢σѕα¢σѕв=¢σѕ(α+в)+¢σѕ(α-в)
2ѕιηαѕιηв=¢σѕ(α-в)-¢σѕ(α+в)
ѕιη(α+в)=ѕιηα ¢σѕв+ ¢σѕα ѕιηв.
» ¢σѕ(α+в)=¢σѕα ¢σѕв - ѕιηα ѕιηв.
» ѕιη(α-в)=ѕιηα¢σѕв-¢σѕαѕιηв.
» ¢σѕ(α-в)=¢σѕα¢σѕв+ѕιηαѕιηв.
» тαη(α+в)= (тαηα + тαηв)/ (1−тαηαтαηв)
» тαη(α−в)= (тαηα − тαηв) / (1+ тαηαтαηв)
» ¢σт(α+в)= (¢σтα¢σтв −1) / (¢σтα + ¢σтв)
» ¢σт(α−в)= (¢σтα¢σтв + 1) / (¢σтв− ¢σтα)
» ѕιη(α+в)=ѕιηα ¢σѕв+ ¢σѕα ѕιηв.
» ¢σѕ(α+в)=¢σѕα ¢σѕв +ѕιηα ѕιηв.
» ѕιη(α-в)=ѕιηα¢σѕв-¢σѕαѕιηв.
» ¢σѕ(α-в)=¢σѕα¢σѕв+ѕιηαѕιηв.
» тαη(α+в)= (тαηα + тαηв)/ (1−тαηαтαηв)
» тαη(α−в)= (тαηα − тαηв) / (1+ тαηαтαηв)
» ¢σт(α+в)= (¢σтα¢σтв −1) / (¢σтα + ¢σтв)
» ¢σт(α−в)= (¢σтα¢σтв + 1) / (¢σтв− ¢σтα)
α/ѕιηα = в/ѕιηв = ¢/ѕιη¢ = 2я
» α = в ¢σѕ¢ + ¢ ¢σѕв
» в = α ¢σѕ¢ + ¢ ¢σѕα
» ¢ = α ¢σѕв + в ¢σѕα
» ¢σѕα = (в² + ¢²− α²) / 2в¢
» ¢σѕв = (¢² + α²− в²) / 2¢α
» ¢σѕ¢ = (α² + в²− ¢²) / 2¢α
» Δ = αв¢/4я
» ѕιηΘ = 0 тнєη,Θ = ηΠ
» ѕιηΘ = 1 тнєη,Θ = (4η + 1)Π/2
» ѕιηΘ =−1 тнєη,Θ = (4η− 1)Π/2
» ѕιηΘ = ѕιηα тнєη,Θ = ηΠ (−1)^ηα

1. ѕιη2α = 2ѕιηα¢σѕα
2. ¢σѕ2α = ¢σѕ²α − ѕιη²α
3. ¢σѕ2α = 2¢σѕ²α − 1
4. ¢σѕ2α = 1 − ѕιη²α
5. 2ѕιη²α = 1 − ¢σѕ2α
6. 1 + ѕιη2α = (ѕιηα + ¢σѕα)²
7. 1 − ѕιη2α = (ѕιηα − ¢σѕα)²
8. тαη2α = 2тαηα / (1 − тαη²α)
9. ѕιη2α = 2тαηα / (1 + тαη²α)
10. ¢σѕ2α = (1 − тαη²α) / (1 + тαη²α)
11. 4ѕιη³α = 3ѕιηα − ѕιη3α
12. 4¢σѕ³α = 3¢σѕα + ¢σѕ3α
🍄🍄🍄🍄🍄
» ѕιη²Θ+¢σѕ²Θ=1
» ѕє¢²Θ-тαη²Θ=1
» ¢σѕє¢²Θ-¢σт²Θ=1
» ѕιηΘ=1/¢σѕє¢Θ
» ¢σѕє¢Θ=1/ѕιηΘ
» ¢σѕΘ=1/ѕє¢Θ
» ѕє¢Θ=1/¢σѕΘ
» тαηΘ=1/¢σтΘ
» ¢σтΘ=1/тαηΘ
» тαηΘ=ѕιηΘ/¢σѕΘ
Important Important

Complete collection for basic engg you tube links


Previous year questions solved ( tneb and tancet)

https://www.youtube.com/playlist?list=PL5A79f5zcvo619Bp6QmlpuFJiDQcwYY_m

Complete collection( All topics) :

https://www.youtube.com/playlist?list=PL1eQAGlvhpRoNrgZvf8-eYHECQLJqbPZQ



Topicwise

Applied mechanics

https://www.youtube.com/playlist?list=PLfhCpHa7uZwsY-PsHNNlpIxfB9jLuUPcA


https://www.youtube.com/playlist?list=PLiqpGxgsVzZFl_0wNY2qZnRufDLimmL27

https://www.youtube.com/playlist?list=PLaWK5S2WvRZSWfA5U9tDnbU-C20QX0ZBP

https://youtu.be/7pfyROeMFQw

https://youtu.be/rM2iPe8Z7nI

https://youtu.be/NrxZw5ehoBY

https://youtu.be/As7BzBtd-K0

https://youtu.be/6zJM3yxPdXg

https://youtu.be/d37SPI1wqvA

https://youtu.be/5GyAwJ-spe4

https://youtu.be/1WTjLemTpIQ

https://youtu.be/6PkSklQpolU

https://youtu.be/gqASoRlMAU4

https://www.youtube.com/playlist?list=PLsn_8EB2f-OlLRzsr4tiJKBUs7cEDLW5z

Basic electrical

https://youtu.be/AYiUnrCvRcs

https://youtu.be/ZNxqT04lo4k

https://youtu.be/VLdNhXFpdWo

https://youtu.be/4O9Qo-LIm8Q

https://www.youtube.com/playlist?list=PLTMKcil3la-Lg09bUXuMSsR8XFiHSVMhe

https://youtu.be/zWe4fwB8zbg

https://youtu.be/uYVZQQ0LMvQ

https://youtu.be/ZB11raW_7_E

https://youtu.be/CnrnldeJP1Q

Mechanical engg

https://youtu.be/GITWaaE_2-A

https://youtu.be/Z2m-39TOY9U

https://youtu.be/wBthwg5G_Qg

https://youtu.be/_iVFl0bBIdY

https://www.youtube.com/playlist?list=PLfhCpHa7uZwsqQQDEsqXByzRvq-jnmzUn

Computer

https://youtu.be/5cgAp1CxDt0

https://youtu.be/8mim4xfit_A

https://youtu.be/iabuWHj4zlA

https://youtu.be/CPEB-NqBZek

Civil engineering

https://www.youtube.com/playlist?list=PLfhCpHa7uZwtb8SEERQh9_z0qN584BGXp

https://youtu.be/fp2CjiyfKvs

Physics

https://www.youtube.com/playlist?list=PLfhCpHa7uZwue4ctC6iKEK_1Fj_KHJlez

https://youtu.be/BKTUZ5JGaNA

https://youtu.be/D9MMIP7eNpI

https://youtu.be/AZ4aYFvFs9c

https://youtu.be/Iph3xpIQrDg

https://youtu.be/vOYE-UTnZXg

https://youtu.be/tCCKXWSaOLA

https://youtu.be/wgk9UTvC7gQ

https://youtu.be/7vkqBlYUISo

https://youtu.be/I7zghkzRRnk

Material science

https://youtu.be/Bnf7m4l1GQY

https://youtu.be/hqv15s4b4YU

Chemistry

https://youtu.be/nned7r1bSk4

https://youtu.be/0JrQP_fUKIU

https://youtu.be/3naQvV7p-gs

https://youtu.be/rS_P69iS16c

Basic engg Tests

https://youtu.be/bNZiQOblZ0Q

https://youtu.be/puHC3t_z28o

Previous year Question paper

https://youtu.be/CtBSztyx7_U

https://youtu.be/I_FBK3sdTuA

https://youtu.be/UfQiEm7qL5s

Important MCQ in basic engg

https://youtu.be/ugs2TLt4Rog

https://youtu.be/IALZhZA9OiY

https://youtu.be/N5NCCs3WVoM

https://youtu.be/kKy0E8C4bZQ

https://youtu.be/RYKNj6y1NKo

https://youtu.be/_9jFKqFokZo
Complete collection of you tube channels useful for Preparation of tneb EEE ECE
Network theory:
https://www.youtube.com/playlist?list=PLBlnK6fEyqRgLR-hMp7wem-bdVN1iEhsh
https://www.youtube.com/playlist?list=PLgzsL8klq6DJzR2htSP-dyCJVRqelcFf9
https://www.youtube.com/playlist?list=PLhuphP2dsOLh52yyxrNN7tgTDZdqV8vFx
https://www.youtube.com/playlist?list=PL1XaeVNXKsvzzeCAqstGAG1_io1FhxVyk
Electronic Devices:
https://www.youtube.com/playlist?list=PLnPUHuqVn2sd8XKKJE-5UGzujOsVC6kRs
Analog Electronics:
https://www.youtube.com/playlist?list=PLBlnK6fEyqRiw-GZRqfnlVIBz9dxrqHJS
https://www.youtube.com/playlist?list=PLgzsL8klq6DLhLOLOgEHsH4Li7zJhw6HT
https://www.youtube.com/playlist?list=PL9RcWoqXmzaI7KDKsQZFf6l5LFgfMo7So
Digital Electronics:
https://www.youtube.com/playlist?list=PLBlnK6fEyqRjMH3mWf6kwqiTbT798eAOm
https://www.youtube.com/playlist?list=PLWPirh4EWFpHk70zwYoHu87uVsCC8E2S-
https://www.youtube.com/playlist?list=PLgzsL8klq6DKdCO8Pbz_6QSvC6bt10Bkn
https://www.youtube.com/playlist?list=PLgwJf8NK-2e7nYSG31YWEUfwgAp2uIOBY
Emf:
https://www.youtube.com/playlist?list=PLgwJf8NK-2e4I_YltJja47CwZJkzNWK89
https://www.youtube.com/playlist?list=PLgwJf8NK-2e6A4Mtxud6xPHE1UecxWsHW
Antenna:
https://www.youtube.com/playlist?list=PLgwJf8NK-2e7tzLIDL4aXUbtRFY3ykmkT
Signal system:
https://www.youtube.com/playlist?list=PLBlnK6fEyqRhG6s3jYIU48CqsT5cyiDTO
https://www.youtube.com/playlist?list=PLWPirh4EWFpHr_1ZCkuF9ToYUrmujv9Aa
https://www.youtube.com/playlist?list=PLgzsL8klq6DJGMumdc_n80bw0nDNgsSas
https://www.youtube.com/playlist?list=PLgwJf8NK-2e7VdLw7PebRTcZXb_4nKeVh
Control system
https://www.youtube.com/playlist?list=PLWPirh4EWFpGpH_Rb6Q4iQ6vGGRA6MORZ
https://www.youtube.com/playlist?list=PLhuphP2dsOLjdkgkD_uqsmmj37X0mLHnW
https://www.youtube.com/playlist?list=PLgwJf8NK-2e43et6qbo4IqYSJCv-6kN90
https://www.youtube.com/playlist?list=PLgzsL8klq6DINAw5vwRx7vvhYM-xDYrgu
Communication system:
Analog communication
https://www.youtube.com/playlist?list=PLgwJf8NK-2e7uyUYrpgUUQowmRuKxRdwp
Digital communication:
https://www.youtube.com/playlist?list=PLgwJf8NK-2e5PngHbdEadEun5XPvnn00N
https://www.youtube.com/playlist?list=PL1XaeVNXKsvzyYmmchyA06jBwrp5pjBFK
https://www.youtube.com/playlist?list=PLb2wGSuEdRG8lKGO4q7NXE6QDWISAsBkZ
https://www.youtube.com/playlist?list=PLb2wGSuEdRG8lKGO4q7NXE6QDWISAsBkZl
Hi friends😇

No problem for study materials hereafter
Gonna share all materials in a single message

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Still More notes will be forwarded...
@sharingmaterial


To easily pickout documents. I have mentioned those doc here😍☺️

Books for preparation

https://t.me/sharingmaterial/4
https://t.me/sharingmaterial/219
https://t.me/sharingmaterial/389
https://t.me/sharingmaterial/393
https://t.me/sharingmaterial/396
https://t.me/sharingmaterial/439

Engg Maths

https://t.me/sharingmaterial/188
https://t.me/sharingmaterial/429
https://t.me/sharingmaterial/505
https://t.me/sharingmaterial/502

Basic engineering materials

https://t.me/sharingmaterial/222
https://t.me/sharingmaterial/467
https://t.me/sharingmaterial/542

Basic engineering you tube
https://t.me/sharingmaterial/527

Now core part 👇👇
Op Amp
https://t.me/sharingmaterial/452
DSP
https://t.me/sharingmaterial/515
DSP MCQ
https://t.me/sharingmaterial/281
EMT
https://t.me/sharingmaterial/454
Some formula on EDC
https://t.me/sharingmaterial/457
Analog electronics
https://t.me/sharingmaterial/459
https://t.me/sharingmaterial/503
Switch gear notes
https://t.me/sharingmaterial/471
Transformers
https://t.me/sharingmaterial/474
Power system faults analysis
https://t.me/sharingmaterial/476
Electrical formulas
https://t.me/sharingmaterial/478
Power system MCQ
https://t.me/sharingmaterial/488
Computer networking materials
https://t.me/sharingmaterial/274
https://t.me/sharingmaterial/465
Microprocessor notes
https://t.me/sharingmaterial/449
Laplace transform formulaa
https://t.me/sharingmaterial/463
Communication engineering notes
https://t.me/sharingmaterial/367
Interview question in EEE
https://t.me/sharingmaterial/349
Some questions
https://t.me/sharingmaterial/362
Other core subjects
https://t.me/sharingmaterial/531

Interview question in EEE
https://t.me/sharingmaterial/349

Play store apps
https://t.me/sharingmaterial/208

kreatryx notes
https://t.me/sharingmaterial/242

Preparation book for ECE
https://t.me/sharingmaterial/251

Made easy practice series
https://t.me/sharingmaterial/253

Handbook for electrical
https://t.me/sharingmaterial/264

Handwritten notes

https://t.me/sharingmaterial/3
https://t.me/sharingmaterial/371
https://t.me/sharingmaterial/489


Previous year question papers
https://t.me/sharingmaterial/317
https://t.me/sharingmaterial/352
https://t.me/sharingmaterial/405
https://t.me/sharingmaterial/407
https://t.me/sharingmaterial/501

TNEB previous year
https://t.me/sharingmaterial/372

GATE EEE and ECE

https://t.me/sharingmaterial/267
https://t.me/sharingmaterial/278
https://t.me/sharingmaterial/392
https://t.me/sharingmaterial/428
https://t.me/sharingmaterial/447
https://t.me/sharingmaterial/491
https://t.me/sharingmaterial/510

Made easy book

(power system)
https://t.me/sharingmaterial/354
(Electrical machines)
https://t.me/sharingmaterial/402
(All sub)
https://t.me/sharingmaterial/512

complete collection of you tube study links https://t.me/sharingmaterial/517

Complete collection of you tube channel in a single message

https://t.me/sharingmaterial/526

Free tests

https://t.me/sharingmaterial/391
https://t.me/sharingmaterial/397
https://t.me/sharingmaterial/522
Complete collection of you tube channels useful for Preparation of tneb EEE ECE upto my knowledge

*Updated

If any of them are there,other than this,share them here

K made gate easy education

https://www.youtube.com/channel/UCXPq3GtRz8s7I7lVNRUdE0Q

Jk notes

https://www.youtube.com/channel/UCOLcybNXEsvGQNR0l9q_TMg

Jsms Academy

https://www.youtube.com/channel/UCa7gZgo9Nd__753yGwZY0Gg

Madura academy

https://www.youtube.com/channel/UC9DY8NN6SVAk5cRPR_2WH1g

Tee academy

https://www.youtube.com/user/areefpm

Sreevee academy

https://www.youtube.com/channel/UCSQZ6xsGEk50MqzBrQmOxMw

EC Abeyaantrix

https://www.youtube.com/channel/UCXFfSBGY4qh6oifDe-gYW7A

Practice Makes Perfect

https://www.youtube.com/channel/UCBgaXKeK283KEBKUKALsP7A

Info Tamil tech

https://www.youtube.com/channel/UC9obYVM8Y3Y_QQb2DjsrG8g

Solve with sparkx

https://www.youtube.com/channel/UCP4O45JZFY6l_0T6Wk0u2JQ

Varshas education academy

https://www.youtube.com/channel/UCBVieCk7HWmCWs3iPsvwDEw

NCM learning center

https://www.youtube.com/channel/UCKZxHUDuKPpQL9P4dXi39BQ

Sparks Academy Chennai

https://www.youtube.com/channel/UCQm9QhuZcNinHD0y3wCDtIQ

Madavakrisna Academy

https://www.youtube.com/channel/UCpqSpytIDiup1Qbhveg_6hQ

Jai Sakthi academy

https://www.youtube.com/channel/UCItiHBozqtL7DR_B69f_yKA

Karpom Tamizha Academy

https://www.youtube.com/channel/UChpkobuFz9nlOcT-6oPyx5Q

Tamil genius 6.0

https://www.youtube.com/channel/UCErnatAX14qoa5T4_jB1QWQ

SK 28 Tamil

https://www.youtube.com/channel/UCQvlo8M8pVNjnOFdEhxly4w

I am IAS academy

https://www.youtube.com/channel/UCcCHdXYQMGIBOTeq8Oauhbg

Exams daily

https://www.youtube.com/channel/UCNF_ljXjqRDnm3KGvqfkqUA

Dr.Jayaudhaya simple and easy way

https://www.youtube.com/channel/UCZ1RnYhsJN-fFieuW0m4n7Q

Tamil poriyalan

https://www.youtube.com/channel/UC9BYjZGobFOgKFWmQF14ApA

Dyson Ramakrishnan
https://www.youtube.com/channel/UC_ZA9hJWpzhEEvOaedbwpHg

IQ tamizha

https://www.youtube.com/channel/UC8FFv1Cvo7ZPo0_ytN2Pw9Q

Dream institute

https://www.youtube.com/channel/UC_dZ5oIS8Vdh-wJct-SCaCg

ARCNAVE Education

https://www.youtube.com/channel/UCGnaZ2El2tRaw6ZvX2zO0EA

Deserve to crack...

https://www.youtube.com/channel/UCNphKRdwoO27SVJ6XDfcBgQ

Let's know how

https://www.youtube.com/channel/UCNnk8rDXoUPxXbYoKK78aYw

You're a Gem

https://www.youtube.com/channel/UCr7XExQ-ZPnghdRAIDB4dCw

Jobs for You Tamizha

https://www.youtube.com/c/JobsForYouTamizha

Dynamic coaching center

https://www.youtube.com/channel/UC0sWvdd-hBFTReKVPtZgwHQ

Kathiravan Nagendran

https://www.youtube.com/user/kathiravaneee

Elector 2020

https://www.youtube.com/channel/UCzZwoQ5IwaAvIUZN7N5s8Wg

RK electrical grid

https://www.youtube.com/channel/UCJ0hzlRndX73isQxJCIJbPg

Beginners Score 2.0

https://www.youtube.com/channel/UCvvZHEELfhQAup5dEjzjlxA
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