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What is Magnetic Materials and Classification of Magnetic Materials ?

  What is Magnetic Material ? The materials which get magnetized in the presence of magnetic field is called  Magnetic materials. Non Magnetic materials get magnetized in presence of magnetic field but they exhibit weak magnetization. Classification of Magnetic Materials On the basis of magnetic behaviour, material may be classified as Diamagnetic Paramagnetic Ferromagnetic Diamagnetic materials It is a weak form of magnetism that is non-persistent and persists only when an external field is applied. Due to an applied magnetic field a change is occur in the orbital motor of electrons, due to this change a magnetic moment is induced in this materials. The magnitude of induced magnetic moment is extremely small and in a direction opposite to that of applied magnetic field. Diamagnetic materials are repelled by magnetic field. Some of the materials that exhibit diamagnetism are  Cu, Au, Ge, Si, Diamond, Al 2 O 3 , NaCl  etc. Paramagnetic Materials When Paramagnetic Mate...
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Application of DC Generator and DC Motor

  Applications of DC Generators Separately-excited  DC generator are rarely used in practical applications because of the additional expenses to be limit for the separate excitation supply. DC shunt  generator can be used for general purpose  lighting and low-voltage DC supply system. DC series  generators do not find much application because of their rising voltage characteristics at higher loads, except these are sometimes  used as boosters to compensate excessive voltage drops  that can take place in a long DC feeder. Flat compound  DC generators are most commonly  used for low-voltage DC distribution systems.  Flat compound generators can also be  used for charging of batteries  since they can give fairly constant output terminal voltage, irrespective of load current. Over-compound  type DC generators can be  used for lighting and general power supply applications  because over-compounding can compensate...
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Testing of DC Machine /Hopkinson's Method or Regenerative Method or Back to Back Test Method

  Hopkinson's Method  In this method, two identical DC machines are both mechanically and electrical coupled, and are tested simultaneously. One of the machines is run as a motor, whereas the other as a generator. the connection diagram of Hopkinson's test is given below:- For performing the test, machine I is started as a DC shunt motor and brought to rated speed with switch 'S' open. Both machines run at same speed as both are mechanically coupled. The field current of the generator (machine II) is so adjusted that its output terminal voltage changes and becomes equal to that supplied to the motor (machine I) terminals.  At this time voltmeter  V 2   reads zero voltage. the switch 'S' is closed at that instant. Under this condition, the generator will neither taking nor giving current to the supply. After this state is achieved, any desired load can then be put on the generator by controlling the induced EMF of the machines. I f2   >   I...
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16-08-2020

 Daily Gk  20+ coachings notes https://ohlone-my.sharepoint.com/:f:/g/personal/asmith88_student_ohlone_edu/Ej2Sw-8SUNxAo-Gl-XP_nIMBtdnjfYP41GZyEnBUkZS7wQ?e=wSFJYw
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The Hindu vocabulary 16/08/2020

 #THE_HINDU_VOCAB  Veritable- प्रामाणिक    Apprise- सूचित करना Explicate- स्पष्ट करना Maelstrom- भंवर Dissimulate- छिपाना Histrionic- नाटकीय Iota- रत्ती Malversation- भ्रष्टाचार Supine- पीठ के बल Conflagration- अग्निकांड Errant- अनियमित Exemplar- अनुकरणीय आदर्श Recidivism- फिर से अपराध करने लगना Nosegay-फूलों का गुच्छा Digerati- कम्प्यूटरविज्ञ Avuncular- मामा समान Sagacious- निपुण Feckless- बेकार Sartorial- पहनावे का Puckish- शरारती Abulia- निर्णय-अक्षमता Vagary- अप्रत्याशितता Dotard- सठियाया हुआ Nimbus- प्रभामण्डल Insuperable- अलंघ्य Luminary- दिग्गज Appellation- उपाधि Galvanic- प्रेरक Apologia- स्पष्टीकरण Raiment- पोशाक Palliate- कम करना Quack- नकली डाक्टर Rabid- प्रचण्ड Sacerdotal- पुरोहिती Tacit- उपलक्षित Ubiquitous- सर्वव्यापक Vacillate- हिचकिचाना Waft- लहराता हुआ झण्ड़ा Xanthippe- लड़ाकी स्त्री Yammer- विलपना Zany- नासमझ Abase- अपमानित करना Backfire- प्रतिज्वलन Cacography- अशुद्ध वर्तनी Give a damn- परवाह करना Abandon- त्याग करना  Back-drop- पृष्ठभूमि, पृष...
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Download UPSC Topper Kanishk Kataria Study Notes in PDF

  Contents :(Economy) National Manufacturing Policy, 2011: Make in India 2015: Globalisation: Special Economic Zones: Foreign Trade Policy 2015-2020: Click Here for Full Economy Notes Contents :(History) Following is the list of topics that must be covered for Post Independence. Partition and its impact Integration of Princely States Junagarh Jammu and Kashmir Hyderabad Manipur Integration of French and Portuguese Colonies Linguistic Reorganisation of States Integration of the Tribals Regionalism and Sons of the Soil doctrine — Covered in Social Issues Hindi as Lingua Franca Foreign Relations India’s interference in international crises Relations with USA and USSR Relations with Pakistan and China Indo-Chinese war, 1962 J.Nehru → contributions and failures Five Year Plans Opposition Parties upto 1965 Lal Bahadur Shastri Indo-Pakistan War, 1965 Indira Gandhi → contributions and failures General Elections, 1967 Naxalism in India Split in the Congress – 1969 and 1971 General Elections...
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Abhishek Singh UPSC Rank-181 CSE16 Notes Download, Anthropology Optinal

  https://drive.google.com/open?id=0ByLJaX_yH_LoaDV0RnVuOXljR2c https://drive.google.com/open?id=0ByLJaX_yH_LoWXR1QjV3OHZuTXM https://drive.google.com/open?id=0ByLJaX_yH_LodkZ0YnVVRkNQck0 https://drive.google.com/open?id=0ByLJaX_yH_LobFRCT2Fkak5FR0E https://drive.google.com/open?id=0ByLJaX_yH_LoNXNpekZtNXhlbVk https://drive.google.com/open?id=0ByLJaX_yH_LoVkx5SXE1emRXSVE https://drive.google.com/open?id=0ByLJaX_yH_LoSGRjOS1tY0dMZzQ https://drive.google.com/open?id=0ByLJaX_yH_LoQzBrUHFoa3Z1X1E https://drive.google.com/open?id=0ByLJaX_yH_LoNW93d1pjekJweEk https://drive.google.com/open?id=0ByLJaX_yH_LoUl9QdDZLSTZveDg https://drive.google.com/open?id=0ByLJaX_yH_LoR0MtY0dhakZXVjg https://drive.google.com/open?id=0ByLJaX_yH_LoT3lUc0dOVjBaRFU https://drive.google.com/open?id=0ByLJaX_yH_LoZ0xhMElfc1hpVDA https://drive.google.com/open?id=0ByLJaX_yH_LoZjAybU0zd3NWYVk https://drive.google.com/open?id=0ByLJaX_yH_LoV1c0TlFqNVhEZk0 https://drive.google.com/open?id=0ByLJaX_yH_LoTEdVMzllRVlvVUU ht...
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IAS Topper Notes

  Subject – IAS Toppers Notes Download Link  Geography Optional Notes –  IAS Topper VP Gautham (AIR-138 | CSE-2013) Download UPSC Mains GS1, GS2, GS3 handwritten Notes – Ashish Agrawal (AIR-209 | CSE-2013) Download Public Administration handwritten Notes – Ashish Agrawal (AIR-209 | CSE-2013) Download Sociology Notes – IAS Topper Kshitij Tyagi Download GS & Public Administration Notes – IAS Toppers Neeraj Singh (AIR-11/CSE-2011) Download GS, Public Administration & Commerce Notes – Om Kashera (AIR-17 | CSE-2011) Download
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[TOPPER’S NOTES] E-Notes of Rushikesh Reddy Rank 95, CSE-2020.

  Hello friends, I am Rushikesh Singareddy. I cleared UPSC CSE-2019 with an AIR-95. This was my 5th attempt. I cleared the exam earlier in my 3rd attempt (AIR-374, CSE-2017). I am presently in Indian Railway Traffic Service (IRTS). I have benefited from the notes of the toppers previously uploaded on this portal and elsewhere and I feel it is my turn to help aspirants in any way I could. I am attaching all my mains notes (all 4 papers) below.  The notes are the work of 5 years of my preparation. I constantly updated and modified them to better cover all the topics in the syllabus. Some of them are long because I tried to make them very extensive and I covered them from multiple sources so as to cover different dimensions. They mostly  cover the entire static portion  of all the 4-GS papers and also contain some current events of the past 1-2 years. I have classified them in multiple sub-heads according to the syllabus.  Anything I used to read from any source ma...
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