Transformer💥Part 5/6 Chapter 7 Alternating Current 💥CBSE Class 12 Physics
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Playlist Chapter 1: Electric Charges & Fields
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Playlist Chapter 7: Alternating Current
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Class 12 Physics
NCERT Chapter 7 Alternating Current
Transformer
construction of Transformer
principle of Transformer
theory of Transformer
working on Transformer
Electric power of Transformer
Primary Coil
Secondary Coil
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Chap 7: part 5 ALTERNATING CURRENT
00:00:00 introduction
00:03:32 transformer
00:08:03 construction of a transformer
00:12:59 core type and shell type
00:14:19 working of transformer
00:16:58 theory of transformer
00:24:42 current in primary & secondary
00:27:52 energy losses in transformers
00:33:24 uses of transformers
00:36:30 long distance tranmission of electrical power
00:43:42 numericals
As a Class 12 student, you may come across the concept of Transformers in your computer science or physics curriculum. In the context of your studies, Transformers refer to a type of electrical device used for voltage conversion and transmission in power systems.
Here's a brief overview of Transformers for Class 12 students:
1. Definition and Function: A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction. It consists of two or more coils of wire, known as the primary and secondary windings, which are magnetically coupled but electrically isolated.
2. Working Principle: Transformers operate based on the principle of Faraday's law of electromagnetic induction. When an alternating current (AC) flows through the primary winding, it generates a changing magnetic field, which induces a voltage in the secondary winding.
3. Step-up and Step-down Transformers: Transformers can step up or step down the voltage levels. Step-up transformers increase the voltage from the primary to the secondary winding, while step-down transformers decrease the voltage. This property makes transformers essential in transmitting electrical power over long distances efficiently.
4. Turns Ratio: The turns ratio of a transformer determines the voltage transformation between the primary and secondary windings. It is defined as the ratio of the number of turns in the secondary winding to the number of turns in the primary winding.
5. Power Transfer and Efficiency: Transformers are designed to minimize energy losses during power transfer. The efficiency of a transformer is the ratio of power output to power input, expressed as a percentage. Higher efficiency transformers reduce power wastage.
6. Types of Transformers: Transformers can be categorized based on their construction and purpose. Some common types include power transformers, distribution transformers, instrument transformers, and auto-transformers.
7. Transformer Formulas: Class 12 students often encounter various formulas related to transformers, such as the transformer equation, power equations, and efficiency calculations. These formulas help in analyzing and solving transformer-related problems.
It's important to consult your specific textbook or syllabus for detailed information and examples relevant to your Class 12 curriculum. Additionally, your teachers or online resources may provide further explanations and illustrations to aid in your understanding of Transformers.