## What is the formula of electromagnetic force?

The law states: F = q (E + v × B) The equation tells us that the total force is the sum of the electric field and the vector product of the velocity of the particle and the magnetic field, all multiplied by the charge of the particle.

## What is electromagnetic force in chemistry?

The fundamental force associated with electric and magnetic fields. The electromagnetic force is carried by the photon and is responsible for atomic structure, chemical reactions, the attractive and repulsive forces associated with electrical charge and magnetism, and all other electromagnetic phenomena.

## How does the electromagnetic force work?

The electromagnetic force, also called the Lorentz force, acts between charged particles, like negatively charged electrons and positively charged protons. Opposite charges attract one another, while like charges repel. The greater the charge, the greater the force.

## What causes an electromagnetic force?

The electromagnetic force is caused by the exchange of photons (effectively ‘particles’ of light) and the chance of photons being emitted or absorbed is related to the charge on an object.

## What is the unit of electromagnetic force?

It is commonly measured in units of volts, equivalent in the metre–kilogram–second system to one joule per coulomb of electric charge. In the electrostatic units of the centimetre–gram–second system, the unit of electromotive force is the statvolt, or one erg per electrostatic unit of charge.

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## Is normal force electromagnetic?

The normal force is an everyday force that is felt when a surface pushes against an object that is placed on that surface. The normal force arises from the electromagnetic force; specifically, the electrons in the book push against the electrons in the table.

## Why is it called electromagnetic?

The waves of energy are called electromagnetic (EM) because they have oscillating electric and magnetic fields. If it has low frequency, it has less energy and could be a TV or radio wave. All EM energy waves travel at the speed of light. No matter what their frequency or wavelength, they always move at the same speed.

## What is the strength of electromagnetic force?

Electromagnetic Force: This is the second strongest force after the strong force and it acts on electrically charged particles. It has strength of 1/137 relative to the strong force but has an infinite range.

## What are the properties of electromagnetic force?

The properties of electromagnetic force are as follows: It obeys the inverse square law. It may be attractive or repulsive in nature. It is a long range force. The photon is the field particle of electromagnetic force. It is about 1036 times stronger than the gravitational force.

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## What would happen if there was no electromagnetic force?

Since electromagnetic forces are responsible for regular chemical bonds, every chemical compound would dissolve. All life and all ordinary objects would cease to exist. Everything would be invisible, because light IS electromagnetism.

## What are 3 examples of electromagnetic energy?

They include:Radio Waves.TV waves.Radar waves.Heat (infrared radiation)Light.Ultraviolet Light (This is what causes Sunburns)X-rays (Just like the kind you get at the doctor’s office)Short waves.

## Where is electromagnetism used?

Electromagnets are widely used as components of other electrical devices, such as motors, generators, electromechanical solenoids, relays, loudspeakers, hard disks, MRI machines, scientific instruments, and magnetic separation equipment.

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