Learn about electric charge and the forces between them as described by Coulomb's Law.
It is a fundamental property of matter that creates electric and magnetic effects.
It's the principle that describes the force between two charges is directly proportional to the p...
F = k * q1 * q2 / r²
The force decreases as the square of distance increases, and vice versa.
Positive charge comes from having more protons than electrons; negative charge is from having mor...
It is a force acting between charges, either attract or repel, without any physical connection.
A region around a charged particle or object within which a force would be exerted on other charg...
It can be either attractive or repulsive depending on whether the charges involved are alike or d...
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It is a fundamental property of matter that creates electric and magnetic effects.
The Concept of Electric Charge
It's the principle that describes the force between two charges is directly proportional to the product of their charges and inversely proportional to the square of the distance between them.
Coulomb's Law
F = k * q1 * q2 / r²
The Equation for Coulomb's Law
The force decreases as the square of distance increases, and vice versa.
The Relationship Between Force and Distance in Coulomb's Law
Positive charge comes from having more protons than electrons; negative charge is from having more electrons than protons.
Types of Electric Charge (Positive and Negative)
It is a force acting between charges, either attract or repel, without any physical connection.
Electrostatic Force
A region around a charged particle or object within which a force would be exerted on other charged particles or objects.
The Concept of Electric Field
It can be either attractive or repulsive depending on whether the charges involved are alike or different.
Electric Force Between Two Charges
The net electric force on a charge is equal to the vector sum of the individual forces exerted on that charge by each other charge.
The Principle of Superposition in Electric Forces
Conductors allow the movement of electric charge, while insulators inhibit the movement of electric charge.
Conductors vs. Insulators
The principle stating that charge comes in integer multiples of individual electronic charges.
Charge Quantization
The process of charging a neutral object by bringing another charged object close to, but not touching, the neutral object.
Charging by Induction
Charging an object by contact with a charged object.
Charging by Conduction
It is a pair of charges, equal in magnitude, opposite in sign, separated by some distance.
Electric Dipoles
The energy a charged particle has due to its position in an electric field.
Electric Potential Energy
Electric force can be both attractive and repulsive, while gravitational force is only attractive.
Electric Force vs. Gravitational Force
It is the capability of a substance to permit the existence of an electric field.
Permittivity of Free Space in Coulomb's Law
The intensity of an effect such as illumination or gravitational force changes in inverse proportion to the square of the distance from the source.
The Inverse Square Law in Coulomb's Law
Different media affect the force between two charges by a factor related to the medium's permittivity or dielectric constant.
The Effect of Medium on Electric Force
Examples include inkjet printers, paint sprayers, and lightning.
Applications of Coulomb's Law in Real Life
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