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Why do electrons in a uniform magnetic field travel in a circular path?
Wiki User
∙ 15y ago
It's because of how magnetic force is. The magnetic force is always perpendicular to both the magnetic field and the velocity of the electron, or any charged particle. If you draw x's on a piece of paper, representing the direction of the magnetic field into the paper, then draw a short vertical line up, representing the electron velocity, the magnetic force will be horizotal to the right. This causes the velocity to change direction a little toward the right. But now the force must change direction a little, etc., etc, until you get a circular path. BTW, you only get a circular path if the initial velocity is in the plane of the paper, perpendicular to the field. If the electron comes in at an angle from outside the paper the path will be a "screw" shape, circular and forward at the same time.
Wiki User
∙ 15y ago
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Who purposed the Bohr atom?
Neils Bohr proposed Bohr model of the atom,which states that atom is a small,positively charged nucleus and is surrounded by electrons which travel in circular motions because of electrostatic forceand is similar to the solar system..
What can never travel around a corner but can travel through space?
electro-magnetic radiations Light.
Which force field can accelerate an electron but never change its speed?
I would say a magnetic field. When an electron enters a magnetic field that is oriented perpendicular to its path of travel it causes the electron to loop in a circle. While the speed stays the same the velocity is constantly changing due to the circular motion. Hence same speed but undergoing an acceleration.
Who proposed that electrons travel in definite paths?
Benjamin Franklin
At what speed does magnetic radiation travel?
Your question is very badly worded, as magnetism is a name of several related phenomena. It is like saying "how fast does love travel". That said, I think you are asking how fast do the effects of magnetism travel, and that is the speed of light. For example, if you have a magnetic dipole at the origin with its dipole field everywhere in space (it has sat there stationary for eons), if you rotate it quickly. A point a distance d away, will not sense this based on the magnetic field (indeed, in no way could he sense this), until a time d/c has passed.
Uniform circular motion deals with objects moving with what speed in a circular path?
When an object is moving in a uniform circular motion while traveling in a circular path, this means it has a constant speed. When an object is moving in a circular path, this indicates it is constantly being pulled towards the center of the circle.
Why electrons travel in a circular orbit?
because it travels in and around my mouth
Who proposed electrons travel in circular orbits within an aton?
Niels Bohr
What is magnetic domain?
A magnetic domain is an atom or group of atoms within a material that have some kind of "net" or uniform electron motion. Let's look a bit more closely to see what that means and what the implications are. A fundamental property of any charged particle is that when it is in motion, it creates a magnetic field around its path of travel. Electrons are negatively charged particles, and they create electromagnetic fields about themselves as they move. We know that electrons orbit atomic nuclei, and they create magnetic fields while doing so. Let's keep going from there. If we take one or more atoms or groups of atoms and align them so that they have some kind of uniform electron motion, an overall magnetic field will be present in this region of the material. The individual magnetic fields of some electrons will be added together. The uniform motion of the electrons about atoms in this area creates a magnetic domain. In "regular" iron, these magnetic domains are randomly arranged. But if we align a large enough group of these magnetic domains, we'll have created a magnet.
Why magnetic lines are always travel in straight line?
The magnetic lines are always circular & emerging from north & entering in the south pole of magnet outside it. they are never straight.
Who discovered that electrons orbits the atom?
Neils Bohr assumed that electrons follow circular orbits in his model of the hydrogen atom. However, this was later proven to be incorrect, as electrons travel as waves and are not restricted to two-dimensional motion. They occupy three-dimensional space and do not have circular orbits.
Do electrons travel in definite circular pathway around the nucleus?
No. Electrons travel at will in Electron clouds, At first we thought they were in definite pathways, but they don't. Though Bohr's model is used so we can know roughly how many electrons are in an energy level.
Where do magnets get their energy to do work like attraction and repulsion?
Permanent magnets have a magnetic field around them. This field is an "area" of force, and the force is derived directly from the uniform motion of a large number of electrons in the ferromagnetic material. Moving electrons generate a tiny magnetic field around their path of travel, and this is the basis of the magnetic force. The "blocks" of atoms that have uniformly moving electrons are called magnetic domains. The aligned domains allow an "over all" magnetic field to be detected and even used by an investigator. The field will interact with ferromagnetic material to attract it, or will, when moved "past" any conductor, induce a voltage in that conductor. A pair of magnets will attract or repel, depending on how they are held or placed. The magnetic field of each one will interact with the field of the other, and the lines of force will push or pull, as suggested.
What motion does a circular wave travel in?
Circular Motion
What was niel Bohr's model?
Bohr's model describes an atom as small, with a positively charged nucleus surrounded by electrons that travel in circular orbits around the nucleus
How does electricity power an oven?
A conventional oven uses large high power resistors that get hot from current flow. A microwave oven creates a magnetic field that causes a flow of electrons from the cathode to the anode of a cavity magnetron vacuum tube to follow circular paths. As these electrons pass over the mouths of cavities in the anode of the tube they excite microwaves which travel through a waveguide to the cooking chamber where they heat the food.
Why is uniform circular motion an example of uniform acceleration?
With no acceleration a body moves at constant speed in a straight line. However to travel a circular path you have to apply a force to bend the path of the object form a straight line into a circle. The application of this force is an acceleration. Note too that because the path is circular, the SAME force is required at all points of the circle this makes the acceleration UNIFORM. If you do not believe this, tie something to the end of a piece of string and swing it round your head in a circle. You will feel the string pulling your hand as you do this, this is the force causing the acceleration.
