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Very important MCQ questions for EEE competitive exams in electrical machines in Tamil

In this video, we described the basics which are very important for Electrical students who are all pursuing Polytechnic, Engineering, and the graduates studying for competitive exams. These are the foundation for beginners. In AC supply we can Frequency. In India, The frequency is 50 hertz but the frequency varies from different countries. But DC has no Frequency. AC means Alternating Current and it varies with respect to time but DC is Direct current and it does not vary with respect to time. The power generated by power stations or generating stations is always AC. only at the generating side, we use step-up Transformer. if we don't use step-up transformer the power will be low at the receiving end. it leads to power loss and so we cannot meet the load demand. this is the purpose we use step up transformer in generating side. Then the power transmitted and finally reaches the secondary distribution. For industries, we use 3 phase load so we use 3 phase power. But in Our Houses, we consume only 1 phase of power. Then how TV works at DC supply? We use a stepdown transformer to stepdown the voltage and rectifier circuits is used to convert AC into DC and not only that we use filter circuits to eliminate or to reduce ripples in the DC. Most Important Questions for Electrical Engineering / power of Tech EEE with Detailed Explaination in Tamil This vedio is very useful for EEE based competitive Exams like TNEB-AE EEE, TRB EEE, SSC JE, RRB JE, TNPSC AE, NLC, Etc…. we are discussing 10 very important Questions in Each section.. We described the basics which are very important for Electrical students who are all pursuing Polytechnic, Engineering, and the graduates studying for competitive exams. These are the foundation for beginners. A transformer is a device used in the power transmission of electric energy. The transmission current is AC. It is commonly used to increase or decrease the supply voltage without a change in the frequency of AC between circuits. The transformer works on basic principles of electromagnetic induction and mutual induction. In electrical engineering, electric machine is a general term for machines using electromagnetic forces, such as electric motors, electric generators, and others. The moving parts in a machine can be rotating (rotating machines ) or linear (linear machines ). The electric machines are of three main types , transformer, generator, and motor. Transformers generally have one of two types of cores: Core Type and Shell Type . These two types are distinguished from each other by the manner in which the primary and secondary coils are around the steel core. Core type - With this type , the windings surround the laminated core. AC is said to be four to five times more dangerous than DC For one thing, AC causes more severe muscular contractions. ... The frequency of the AC has a lot to do with the effect on the human body. Unfortunately, 60 cycles is in the most harmful range. At this frequency, as little as 25 volts can kill. Difference Between Electrical and Electronics:    • Difference between Electrical and ele...   Difference Between (AC power Vs DC power):    • Difference between AC power and DC po...   Difference between(AC power Vs DC power)-part 2 (harmonics vs ripples):    • Difference Between AC power and  DC p...   Electrical Transformer part-1:    • What is a Transformer in Electrical M...   Electrical Transformer part-2(Contructional Details- Magnetic core, windngs):    • Transformer in Electrical Machines/PA...   Very important MCQ questions for EEE competitive exams in Electrical machines(marathon-2)-    • Видео   Important MCQ Questions for Electrical Engineering For competitive Exams (marathon-3)-    • Very important MCQ Questions in Elect...   In Our channel, We are going to post the upcoming videos about Electrical Engineering Subjects and we are going to discuss the previous year's electrical engineering question papers and more MCQ questions. So don't forget to watch upcoming videos posted by our channel. so subscribe to the bell icon and hit like to see our regular updates. Thank You Keep supporting us… --------------------------------------------------------------------------------------------------------------------- If you Have any Queries keep the comment in the comment section and I will respond to you. Contact: [email protected]