Table of Contents
How would a bar magnet orient itself to the magnetic field?
How would a bar magnet orient itself relative to this planet’s magnetic field? Opposite poles of magnets attract.
How does a bar magnet find direction?
The location of the poles as the magnet can be determined by suspending it freely. A freely suspended bar magnet always points in a north−south direction. The end that points towards north direction is the north pole of the magnet while the end that points towards the south direction is the south pole of the magnet.
What happens when a bar magnet is placed in a magnetic field?
And this bar magnet will not only experience the torque but a net force also and the direction of this force will be towards the stronger region of the magnetic field. Hence if a bar magnet is placed in a non-uniform magnetic field then it will experience both torque as well as force.
What can orient itself in a magnetic field?
Normally, compasses respond to Earth’s magnetic field, orienting themselves parallel to magnetic field lines. If we create a magnetic field that is stronger than Earth’s field—for example, by using electric currents—a compass needle will orient itself parallel to the new field.
What is meant by the magnetic field of a magnet?
A magnetic field is a vector field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials. A permanent magnet’s magnetic field pulls on ferromagnetic materials such as iron, and attracts or repels other magnets.
Why does a bar magnet always point in the north-south direction?
Answer: A freely suspended magnet always points in north – south direction. This is because its south pole is attracted by earth’s north pole and the north pole of the magnet is attracted by the earth’s south pole. when we hang it freely it automatically starts pointing in north-south direction.
How will you find the direction of the rising sun using a bar magnet?
The sun always rises in the morning from the East direction. So, if we stand facing the morning sun rising from the East direction with both the arms extended on sides, then our left arm will point towards North and the right arm will point towards South.
What is the direction of the magnetic field lines inside a bar magnet?
The magnetic field lines are in the direction of N-pole to S-pole outside the bar magnet.
How do magnets work in compasses?
This is because the compass needle is magnetized and mounted in a way that allows it to move in response to magnetic fields. When the horseshoe magnet is present, the north end of the needle (colored red) is attracted to its magnetic field and aligns itself so that it is pointing toward the object.
What creates Earth’s 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.
How do we define the direction of the magnetic field?
The direction of magnetic field lines is defined to be the direction in which the north end of a compass needle points. The magnetic field is traditionally called the B-field.
What is the direction of magnetic field outside and inside the bar magnet?
(a) The direction of magnetic field lines outside a bar-magnet is from North seeking pole to south seeking pole while inside the magnet it is from south to north seeking pole.