# What Is The Formula Of Electromagnetic Force Class 11

## What is the formula of electromagnetic force Class 11?

The entire electromagnetic force F on the charged particle is called the Lorentz force (after the Dutch physicist Hendrik A. Lorentz) and is given by F = qE + qv × B.

## What is the formula for the electromagnet?

Simple Electromagnetic Formula: B = (1.257 * 10^-6 * Ur * I * N)/L (f1)Where: B: Magnetic field strength, at the pole faces, in Teslas (t). 1.257 * 10^6: Absolute permeability of a vacuum, a physical constant (see ADDENDUM). Ur: Relative permeability of core (see ADDENDUM).

## Which is electromagnetic force?

When a conductor is placed in a magnetic field and current flows in the conductor, the magnetic field and the current interact each other to produce force. The force is called Electromagnetic force.

## What is the formula of electromagnetic circuit?

Quantity (common name/s) | (Common) symbol/s | SI units |
---|---|---|

Magnetic field, field strength, flux density, induction field | B |
T = N A^{−}^{1} m^{−}^{1} = Wb m^{−}^{2} |

Magnetic potential, EM vector potential | A | T m = N A^{−}^{1} = Wb m^{3} |

Magnetic flux | Φ_{B} |
Wb = T m^{2} |

Magnetic permeability | V·s·A^{−}^{1}·m^{−}^{1} = N·A^{−}^{2} = T·m·A^{−}^{1} = Wb·A^{−}^{1}·m^{−}^{1} |

## What is magnetic force Class 12 formula?

The magnitude of the magnetic force depends on how much charge is in how much motion in each of the objects and how far apart they are. Mathematically, we can write magnetic force as: F = q [ E ( r ) + v × B ( r ) ]

## What is the formula for EMF Class 12?

EMF formula can be expressed as, e = IR + Ir or, e = V + Ir, where, e is the electromotive force (Volts), I = current (A), R = Load resistance, r is the internal resistance of the cell measured in ohms.

## What uses electromagnetic force?

Electromagnetism also plays a crucial role in modern technology: electrical energy production, transformation and distribution; light, heat, and sound production and detection; fiber optic and wireless communication; sensors; computation; electrolysis; electroplating; and mechanical motors and actuators.

## Is electromagnetic force is a electric force?

The electromagnetic force is the addition of electric and magnetic forces. For a stationary charged particle, only the electric force gets in the action. For a moving charged particle, both electric and magnetic forces act over the particle.

## Is electromagnetic force a strong force?

The electromagnetic force is a very strong, long-range force with unlimited range that acts between any two objects possessing an electric charge. It is the fundamental interaction that binds electrons to nuclei to form atoms and binds atoms together in molecules and solids.

## What is electrical formula?

Volts (E): Volts = square root of (watts x ohms) Volts = watts / amperes. Volts = amperes x ohms.

## Is EMF a vector?

EMF is a vector format. This means it displays certain information, including lines, shapes, and overall dimensions, rather than a rasterized graphic in full.

## What is D in electromagnetism?

Electric displacement, denoted by D, is the charge per unit area that would be displaced across a layer of conductor placed across an electric field. It is also known as electric flux density.

## What is electromagnetic force class 11 physics?

The electromagnetic force is a type of physical interaction that occurs between electrically charged particles. It acts between charged particles and is the combination of all magnetic and electrical forces.

## What is electromagnetic force Class 11 example?

(a) If we rub a comb in dry hair the comb and hair begin to attract each other. The force of attraction between a comb and hair is electromagnetic force. (b) If a magnet is brought near iron pins, the magnet attracts the pins with a force known as electromagnetic force.

## What is electromagnetic theory class 11?

Electromagnetic wave theory was given by Clark Maxwell. The main points of electromagnetic wave theory were : When an electrically charged particle moves under acceleration, alternating electrical and magnetic fields are produced and transmitted. These fields are transmitted in the form of waves.

## What is electromagnetic field class 11?

An electromagnetic field (also EMF or EM field) is a physical field produced by electrically charged objects. It affects the behavior of charged objects in the vicinity of the field.