Electricity And Magnetism:
Here, We provided to Electricity And Magnetism By Fiziks Institute. Electricity and magnetism are one of the most interesting topics in physics. In this article, we will learn about the concepts of magnetism and electricity and the relationship between them. we will also learn interesting concepts related to them like electron movement, conductors, semiconductors and insulators, magnetic fields, etc. Free download PDF Electricity And Magnetism By Fiziks Institute.
Basic Principles of Electricity:
Electricity is a phenomenon associated with either stationary or moving electric charges. The source of the electric charge could be an elementary particle, an electron (which has a negative charge), a proton (which has a positive charge), an ion, or any larger body that has an imbalance of positive and negative charge. Positive and negative charges attract each other (e.g., protons are attracted to electrons), while like charges repel each other (e.g., protons repel other protons and electrons repel other electrons). Free download PDF Electricity And Magnetism By Fiziks Institute.
Familiar examples of electricity include lightning, electrical current from an outlet or battery, and static electricity. Common SI units of electricity include the ampere (A) for current, coulomb (C) for electric charge, volt (V) for potential difference, ohm (Ω) for resistance, and watt (W) for power. A stationary point charge has an electric field, but if the charge is set in motion, it also generates a magnetic field.
Basic Principles of Magnetism:
Magnetism is defined as the physical phenomenon produced by moving electric charges. Also, a magnetic field can induce charged particles to move, producing an electric current. An electromagnetic wave (such as light) has both an electric and magnetic component. The two components of the wave travel in the same direction but oriented at a right angle (90 degrees) to one another. Free download PDF Electricity And Magnetism By Fiziks Institute.
Like electricity, magnetism produces attraction and repulsion between objects. While electricity is based on positive and negative charges, there are no known magnetic monopoles. Any magnetic particle or object has a “north” and “south” pole, with the directions based on the orientation of the Earth’s magnetic field. Like poles of a magnet repel each other (e.g., north repels north), while opposite poles attract one another (north and south attract).
Familiar examples of magnetism include a compass needle’s reaction to Earth’s magnetic field, attraction and repulsion of bar magnets, and the field surrounding electromagnets. Yet, every moving electric charge has a magnetic field, so the orbiting electrons of atoms produce a magnetic field; there is a magnetic field associated with power lines; and hard discs and speakers rely on magnetic fields to function. Key SI units of magnetism include the tesla (T) for magnetic flux density, weber (Wb) for magnetic flux, ampere per meter (A/m) for magnetic field strength, and henry (H) for inductance. Free download PDF Electricity And Magnetism By Fiziks Institute.
Table of Content:
- Dynamics of Charged Particles in Static & Electromagnetic Fields
- Electromagnetic Induction
- Maxwell’s Equations
- Electromagnetic Waves
- Applications of Electromagnetic Waves
- Potential & Field Formulation for Time-Varying Fields
- Simple AC Circuits with R, L & C components
- Simple DC Circuits with R, L & C components
BOOK NAME – ELECTRICITY & MAGNETISM
AUTHOR – FIZIKS INSTITUTE
SIZE – 9.8MB
PAGES – 237
About the Author:
fiziks is a coaching institute for Physics Graduates and Postgraduates. fiziks provide coaching for competitive examinations like CSIR-NET/JRF, GATE, IIT-JAM/IISc, JEST, TIFR, and other M.Sc Entrance like JNU, BHU, DU, HCU, ISM Dhanbad, NISER, IISER. fiziks also provides guidance for GRE (Physics) and public sector jobs like BARC, DRDO, ONGC, ISRO, etc. Free download PDF Electromagnetic Theory Formula Sheet By Fiziks Institute.
fiziks was founded in December 2008 with a mission “Educate, Inspire, Connect” by Atul Gaurav, Vivek K. Singh, S. Kumar, D.K. Singh, and V. Sharma an alumnus of IIT, JNU, and BHU. Now fiziks is incorporated as AVS FIZIKS Private Limited company having corporate office at House Number 40 D, Jia Sarai, Hauz Khas, New Delhi-16. Presently it is managed by Atul Gaurav and Vivek K. Singh. Free download PDF Electromagnetic Theory Formula Sheet By Fiziks Institute. Free download PDF Mechanics And General Properties of Matter By Fiziks Institute.
Since its inception in 2008, fiziks have emerged as the leading institute in the coaching industry. A large number of our successful students and top rankers in CSIR-NET/JRF, GATE, IIT-JAM/IISc, JEST, TIFR, and other M.Sc Entrance Exams bear the testimony of our success story. The extraordinary results every year have made us more than a coaching institute. Now fiziks become a phenomenal center for imparting coaching for Physics Graduates and Postgraduates. Free download PDF Electromagnetic Theory Formula Sheet By Fiziks Institute.
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Difference between Electricity and Magnetism:
There are numerous ways by which we can differentiate between magnetism and electricity. Some main electricity and magnetism differences are given in the points mentioned below.
- The major difference between electricity and magnetism is the presence of magnetism.
- Electricity can be present in a static charge, while magnetism’s presence is only felt when there are moving charges as a result of electricity.
- In simple words, electricity can exist without magnetism, but magnetism cannot exist without electricity.
The Fundamental Principles of Electromagnetism:
The word electromagnetism comes from a combination of the Greek words electron, meaning “amber” and magnetize lithos, meaning “Magnesian stone,” which is magnetic iron ore. The ancient Greeks were familiar with electricity and magnetism but considered them to be two separate phenomena. Free download PDF Electricity And Magnetism By Fiziks Institute.
The relationship known as electromagnetism wasn’t described until James Clerk Maxwell published A Treatise on Electricity and Magnetism in 1873. Maxwell’s work included twenty famous equations, which have since been condensed into four partial differential equations. The basic concepts represented by the equations are as follows:
- Like electric charges repel, and unlike electric charges attract. The force of attraction or repulsion is inversely proportional to the square of the distance between them.
- Magnetic poles always exist as north-south pairs. Like poles repel like and attract unlike.
- An electric current in a wire generates a magnetic field around the wire. The direction of the magnetic field (clockwise or counterclockwise) depends on the direction of the current. This is the “right-hand rule,” where the direction of the magnetic field follows the fingers of your right hand if your thumb is pointing in the current direction.
- Moving a loop of the wire toward or away from a magnetic field induces a current in the wire. The direction of the current depends on the direction of the movement.
Maxwell’s theory contradicted Newtonian mechanics, yet experiments proved Maxwell’s equations. The conflict was finally resolved by Einstein’s theory of special relativity. Free download PDF Electricity And Magnetism By Fiziks Institute.
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