Applied Physics II | AICTE Prescribed Textbook - English by Jeevakhan Hussain

Author:Jeevakhan, Hussain
Language: eng
Format: epub
Publisher: KHANNA BOOK PUBLISHING COMPANY PVT. LTD.
Published: 2022-11-10T00:00:00+00:00

5Electromagnetism

UNIT SPECIFICS This unit is concentrated on the following main aspects:

• Diamagnetic, Paramagnetic and Ferro magnetic materials.

• Magnetic field, magnetic intensity and Magnetization.

• Faraday’s law of electromagnetic induction.

• Lorentz force on moving charge in magnetic field.

• Force on current carrying wire and coil placed in magnetic field.

• Moving coil galvanometer.

• Conversion of galvanometer in ammeter and voltmeter.

Applications of electromagnetism in daily are discussed for creating interest and activities are suggested for comprehension of topics. Application based solved problems, multiple-choice questions and questions of lower and higher order cognitive level of Bloom’s taxonomy are given in the unit so that one can go through them for practice, which will help in reinforcement of learning. QR codes of video links have been provided for various topics which can be scanned for relevant supportive knowledge.

QR codes for simulation of concepts and principles are also provided in the unit, so that students can do hands-on practice to simulate the available simulation model. The students can vary the different parameters in simulation model for in depth understanding of topic. Micro project activity is suggested which will help in attaining course outcomes. The “Know More” section has been judiciously designed so that the supplementary information provided in this part becomes beneficial for the users of the book. Industrial applications and real life applications on variety of aspects, inquisitiveness and curiosity topics are also included in the unit to motivate learner for future learning.

RATIONALE Electromagnetism is a branch of physics deals with the concept of magnetism, electromagnetic induction and application of electromagnetic induction. Generation of electric power and conversion of renewable and non-renewable energy in to electrical energy are the ultimate applications of electromagnetic induction. Many measuring equipment works on the principle generation of magnetic field due to electric current. Conversion of mechanical energy into electrical energy or electrical energy to mechanical energy is an application of electromagnetic induction. This unit will explain the basics of Electromagnetism and related topics which will help to comprehend the engineering applications of Electromagnetism and solve the problems related to Electromagnetism.

PRE-REQUISITES

• Mathematics: Trigonometric functions, Algebra, Calculus, vectors

• Physics: Magnets, Magnetic dipole, Electric current

• Other’s: Basic technology of computer and use of mobile application UNIT OUTCOMES List of outcomes of this unit are as follows:

U5-O1: Select a given material on the basis magnetic properties.

U5-O2: Explain magnetic field, magnetization and Faraday’s Laws of electromagnetic induction. U5-O3: Apply Lorentz force to find the direction of moving charge in magnetic field. U5-O4: Predict the force acting on current carrying rectangular coil placed in magnetic field. U5-O5: Explain the construction and working of moving coil galvanometer. U5-O6: Convert a given galvanometer into ammeter and voltmeter of desired range.

Unit-5 EXPECTED MAPPING WITH COURSE OUTCOMES Outcome (1- Weak Correlation; 2- Medium correlation; 3- Strong Correlation) CO-1 CO-2 CO-3 CO-4 CO-5 CO-6 U5-O1 - - - - 3 1 U5-O2 - - 1 - 3 1 U5-O3 - - - 1 3 1 U5-O4 - - - 1 3 1 U5-O5 1 3 1 U5-O6 - - - 1 3 1

5.

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