# What are three examples of magnetic fields?

The magnitude of the force on a wire carrying current I with length L in a magnetic field is given by the equation. F=ILBsinθ where θ is the angle between the wire and the magnetic field.

## What are magnetic fields in simple terms?

The magnitude of the force on a wire carrying current I with length L in a magnetic field is given by the equation. F=ILBsinθ where θ is the angle between the wire and the magnetic field.

## What is magnetic field and its properties?

The magnitude of the force on a wire carrying current I with length L in a magnetic field is given by the equation. F=ILBsinθ where θ is the angle between the wire and the magnetic field.

## What is a magnetic field and how is it created?

Magnetic field is denoted by B and H. The SI unit of H is amperes per metre and the SI unit of B is Newtons per metre per ampere or Teslas.

## What is a magnetic field called?

The magnetic field can be mathematically described as a vector field. The vector field is a set of many vectors that are drawn on a grid. In this case, each vector points in the direction that a compass would point and has a length dependent on the strength of the magnetic force.

## What is the main source of magnetic field?

Hint:The main sources of magnetic field are permanent magnet, current carrying conductor and electromagnet. A magnetic field is created whenever the charge is in motion.

## What is the unit of magnetic field?

Magnetic field is denoted by B and H. The SI unit of H is amperes per metre and the SI unit of B is Newtons per metre per ampere or Teslas.

## What are the 4 sources of magnetic field?

• 9.1 The Biot-Savart Law.
• 9.2 Magnetic Field Due to a Thin Straight Wire.
• 9.3 Magnetic Force between Two Parallel Currents.
• 9.4 Magnetic Field of a Current Loop.
• 9.5 Ampère’s Law.
• 9.6 Solenoids and Toroids.
• 9.7 Magnetism in Matter.

## What is the magnetic field used for?

Magnetic fields can be used to make electricity Moving a magnet around a coil of wire, or moving a coil of wire around a magnet, pushes the electrons in the wire and creates an electrical current.

## What are the 4 basic properties of the magnetic lines of force?

Answer : (1) Magnetic lines of force always start from the north pole and end on the south pole. (2) Magnetic lines of force are in a state of tension like a stretched string. (3) Magnetic lines of force repel each other. (4) Magnetic lines of force never intersect each other.

## What are the two properties of magnetic field lines?

Two properties of magnetic field lines are: They never cross one another. They flow from the south pole to the north pole within the magnet and north pole to south pole outside the magnet.

## Do humans have magnetic fields?

The human body naturally has both magnetic and electrical fields. Right down to the tiny cells in our bodies, every part of our body has their own field.

## Why does Earth have magnetic field?

Scientists know that today the Earth’s magnetic field is powered by the solidification of the planet’s liquid iron core. The cooling and crystallization of the core stirs up the surrounding liquid iron, creating powerful electric currents that generate a magnetic field stretching far out into space.

## What is the importance of magnetic field on Earth?

Generated by the motion of molten iron in Earth’s core, the magnetic field protects our planet from cosmic radiation and from the charged particles emitted by our Sun. It also provides the basis for navigation with a compass.

## What is the magnetic field theory?

The existence of electromagnetic waves depends on the interaction between electric and magnetic fields. Maxwell postulated that a time-varying electric field produces a magnetic field. His theory predicted the existence of electromagnetic waves in which each time-varying field produces the other field.

## Where is the magnetic field?

The generation of Earth’s magnetic field occurs deep within the Earth’s interior, in a layer known as the outer core to be precise. Here the convective energy from the slow-moving molten iron is converted to electrical and magnetic energy, according to the U.S. Geological Survey (opens in new tab).

## How do we find magnetic field?

Similarly, the direction of the magnetic flux density is the direction of the force on an isolated North pole. The magnitude of the force on a wire carrying current I with length L in a magnetic field is given by the equation. F=ILBsinθ where θ is the angle between the wire and the magnetic field.

## What is the strength of magnetic field known as?

magnetic field strength, also called magnetic intensity or magnetic field intensity, the part of the magnetic field in a material that arises from an external current and is not intrinsic to the material itself. It is expressed as the vector H and is measured in units of amperes per metre.

## What is the unit of magnetic charge?

where, N is Newton, the unit of force, C is Columb, the unit of electric charge and m/s is the unit of speed v. Hence, the unit of magnetic field is given as Tesla (T) which is equal to NA−1m−1.

## Where is the magnetic field strongest?

The magnitude of the force on a wire carrying current I with length L in a magnetic field is given by the equation. F=ILBsinθ where θ is the angle between the wire and the magnetic field.

## Does Earth produce magnetic field?

The crust of the Earth has some permanent magnetization, and the Earth’s core generates its own magnetic field, sustaining the main part of the field we measure at the surface.

## What direction do magnetic fields point?

They point from the north pole to the south pole. However, the magnetic field lines do not just end at the tip of the magnet. They go right through it, so that inside the magnet the magnetic field points from the south pole to the north pole.

## Is magnetic field scalar or vector?

Magnetic force is a vector quantity as it has a magnitude and direction both.

## Who discovered magnetic field?

Magnetic field is denoted by B and H. The SI unit of H is amperes per metre and the SI unit of B is Newtons per metre per ampere or Teslas.

## What is gauss value?

One gauss corresponds to 10-4 tesla (T), the International System Unit. The gauss is equal to 1 maxwell per square centimetre, or 10−4 weber per square metre. Magnets are rated in gauss. The gauss was named for the German scientist Carl Friedrich Gauss.