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The force between two magnetic fields is directly proportional to the product of their magnitudes - and inversely proportional to the square of the distance between them. As an object gets further away, the influencing field decreases because of the increased area it affects.
and the equation to find the force that acts between the two magntised objects is
Force = (q1 x q2) / r^2
well the force is 'proportional' to that equation but i cant do a symbol for that. the force is measured in Newtons (N) and the r (radius) is measured in metres.
Wiki User
∙ 13y ago
Wiki User
∙ 8y agoCoulomb's inverse square law states that the magnitude of the electrostatic force between two point charges is directly proportional to the scalar multiplication of the magnitudes of charges and inversely proportional to the square of the distance between them.
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How does the strength of the electric field vary with the distance for the positive point charge?
It is known as Coulomb's law and is the equivalent in electrostatics of the Newton's law for gravity. This is a law falling in the "inverse square" category, meaning there is a relationship of the form 1 / (square n). When the distance is multiplied by n, the field is divided by square n, e.g. if the distance double, the field is divided by 4.The exact formulation of Coulomb's law is:E = 1 / (4 pi . epsilon0) . q / r2E being the magnitude of the field, which is what you want to know. Unit is V/m.epsillon0 being the electric constant (vacuum permittivity). Unit is C/V/mq being the charge of the particle creating the field. Unit is Coulomb.r being the distance from the charge. Unit is m.The "inverse square" factor is q / r2Coulomb's law is a special case of Gauss's law which is turn is included in the Maxwell's set of equations. It turns out that, in magnetism there are only two guys in charge... Maxwell and Lorentz. Kind of monopoly.
First law of magnetism?
Like poles repel Unlike pokes attract
What does gauss law of magnetism say?
It states that the magnetic field B has divergence equal to zero.Source:Book: Electromagnetism Theory: A modern perspectiveAuthors: John and Bartlett p.134
As the cloud collapses the force of gravity drawing the cloud inward because?
As the cloud collapses the force of gravity drawing the cloud inward gradually becomes stronger because the strength of gravity follows an inverse square law with distance. hope that helps.
What is the magnetism of an emerald?
there is no magnetism to an emerald
Who discovered inverse square law?
Charles Augustin de Coulomb is credited with the discovery of the inverse square law. It was used by Isaac Newton in his prismatic experiments.
Does magnetism act at a distance?
Yes, but like gravity and the electrical force it gets weaker proportional to the inverse square of the distance.
What law states that the brightness of a star vaies inversely as the square of the distance from the stars?
The law is called The Inverse Square Law .
What is the inverse square law for electric force?
The law is that the attraction between electric charges is inversely proportional to the square of the distance. Note that the way the force varies with distance is identical to the gravitational force, which also follows an inverse-square law.
What is the significance of the inverse-square law?
Its the earth, wind and the fire
What is the inverse square law of sound?
The inverse square law 1/r2 shows the distance performance for sound intensity, an energy quantity.But your ear drums are moved by the sound pressure vibrations using the inverse distance law 1/r for field quantities.Scroll down to related links and look at "Sound pressure pand the inverse distance law 1/r".Scroll down to related links and look at "Decreasing of Sound Intensity from a Point Source - Inverse square law of sound".
What is the relationship between distance and magnetic attrations?
The inverse square law.
Who invented the ''inverse square law''?
The concept of inverse square law was developed by Isaac Newton in the late 17th century. Newton formulated the law to describe the intensity of gravitational force, stating that the force between two objects is inversely proportional to the square of the distance between them. This concept of inverse square law is also applicable to other physical phenomena, such as light and sound.
Does the inverse square law apply to gravitational and electrical forces?
Yes. Both.
What does the inverse-square law tell you about the relationship between force and distance?
The inverse-square law applies to gravitational and electrical forces. An inverse-square law tells you:That the force is inversely proportional to the square of the distance.That means that if the distance is increased by a factor "n", the force is decreased by a factor "n2".For example, if you increase the distance by a factor of 10, the force will decrease by a factor of 102 = 10 x 10 = 100.
How is coulombs law similar to newtons law of gravity?
Both are 'Inverse square' forces, f=k/r2 .
Gravity decreases according to which law?
Gravity doesn't decrease. It follows the same simple mathematical formula at all distances.The mutual gravitational force of attraction between two mass objects decreases according tothe inverse square law.
