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Home » Physics Homework Help » Electro Statics
Electro Statics
Electrostatics is one of the major contributions in Physics. Homework help bring this very important aspect of Physics Homework Help for all who have interested in the non-lasting events and concepts of electricity and magnetism. For those many important topics are mentioned with full details and their solved examples, if there is any problem arising in any topic related to this aspect our expert tutors will help you 24×7 with 100% perfection. Now let us know first how Electrostatic charges help us in day-to-day life and most importantly how they work and what are their main concepts.

Many of us experience of seeing a spark or hearing a crackle, when we take off our synthetic shirts or nylon sweaters, particularly in dry weather. Sometimes, we feel the sensation of an electrical shock while opening the door of our car or by holding the iron bar of a bus-after sliding from our seat. Again, a person walking briskly on a woolen carpet experiences is discharge of electric charges through our body, which were accumulated due to rubbing of insulating surfaces.

We know that when a glass rod is rubbed with a piece of silk, the rod acquires the property of attracting light objects like bits of paper, straw, pith balls, dry leaves or even dust particles towards it. The glass rod is said to be electrified or charged. Similarly, a plastic comb gets electrified on passing through dry hair.

The metallic bodies of cars and trucks also get charged because of friction between them and the air rushing past them. This charge being large can produce even a spark. Such a spark can be dangerous in case of petrol tanker. That is why petrol tankers often have a metal chain dragging along the ground. The charge produced leaks to the ground through this chain. Now days, the tyres of cars and trucks are made by adding a carbon compound to the rubber. This facilitates the charge built up on the body of the vehicle to leak to the ground.

We learn from the above that electric charges are produced due to friction between two insulating bodies, which are rubbed against each other. The charges on insulating bodies cannot move on their own. That is why they are called static charges. The branch of physics, which deals with the study of charges at rest, the forces between the static charges, fields and potentials due to these charges, is called electrostatics or static electricity or even frictional electricity.

Some of the important topics provided in this special addition are:

1. Conservation of charge
2. Continuous charge distribution
3. Dielectric constant of relative electrical permittivity
4. Electric charge
5. Origin of electric charge in electrostatics
6. Quantization of electric charge
7. Coulomb's law in vector form


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A.C. Circuit A.C. Mean Value Resistance Containing Circuit Energy Stored In Inductor Impedance Triangle Inductance Circuit Alternating Current LC Oscillations Parallel Resonance Circuit Real Resistors Resonance Transient Currents Capacitor And Capacitance Dielectric Strength Dielectric Polarization Electrostatic Shielding Energy Stored In Capacitor Capacitors Grouping Capacitance Parallel Plate Capacitor Capacitor Principle Relative Permittivity Spherical Capacitor Electrostatic Generator Button Cells Copper Voltammeter Daniel Cell Dry Cell Electrochemical, Voltaic Cell Electrolysis Connection Faraday Electrolysis Law Current Chemical Effects Silver Voltmeter Standard, Secondary Cell Electrolysis Theory Water Voltammeter Current Carriers Electrical Conductivity Drift Velocity Resistance Temperature Effect Electric Current Conductors Electric Currents Series, Parallel Grouping Electric Current, Resistance Mobility Charge Current-Ohm Law Potentiometer Series, Parallel Resistance Resistance Thermistors, Super Conductivity A.C.Generator Dynamo Choke Coil D.C.Generator Dynamo D.C.Motor Electrical Devices Motor Starter, Transformer Dielectrics Charge Conservation Continuous Charge Distribution Coulombs Force Interaction Relative Electrical Permittivity Electrical Charge Electric Charge Origin Electric Charge Quantization Electrostatics Coulombs Law Electric Dipole Electric Field Intensity Intensity Due To Field Charges Electrostatic Field Dipole Potential Energy Electric Field Lines Area Vector Electric Flux Electrical Potential Relation Conservative Electrostatic Forces Electrostatic Potential Electrostatic Potential Energy Equipotential Surfaces Electrostatics Gauss Law Electrostatic Flux Potential Energy In External Field Current Thermoelectric Effect Current Seebeck Effect Thermoelectric Thermometers Thermoelectric Power Thermopile Thomson Heat Evolution

 

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