You can hang the magnet up on a string, so that it can rotate freely. In that case, it should align with the Earth's magnetic field.
A suspended magnet is usually a magnet suspended by a thin thread and allowed to rotate and swing freely. This will align itself to the Earth's magnetic field providing there is no other magnetic or electromagnetic influnence.
If you suspend the magnet in a way that it can rotate freely (for example, hang it from a thread), one of its ends will point north. If you know which end that is (you may want to mark it), west is 90 degrees to the left of north.
The north pole of a magnet can help when you are lost because it can act as a compass. When suspended freely or allowed to rotate, the north pole of a magnet will align itself with the Earth's magnetic field, which points towards the North Pole. By observing the direction in which the north pole of a magnet points, you can determine which way is north and navigate your way.
Yes, a bar magnet can exert a torque on itself due to its own magnetic field. This torque can cause the magnet to align itself in a specific orientation, depending on the interaction between its north and south poles. If the magnet is not free to rotate, this torque can manifest itself as a force causing the magnet to move.
A compass, because the magnet's North pole will rotate until it points to the Earth's North pole.
by keeping another magnet or attractive force
To make an electromagnet rotate, you can place it in the proximity of a permanent magnet. When a current flows through the electromagnet, it interacts with the magnetic field of the permanent magnet, causing the electromagnet to rotate. This setup can be used in devices like electric motors and generators.
When the magnet is free to rotate and its poles are in a horizontal plane, it comes to rest with its poles pointing roughly north and south.
You can hang the magnet up on a string, so that it can rotate freely. In that case, it should align with the Earth's magnetic field.
A suspended magnet is usually a magnet suspended by a thin thread and allowed to rotate and swing freely. This will align itself to the Earth's magnetic field providing there is no other magnetic or electromagnetic influnence.
by burning the fuel to heat water to make steam to turn a turbine to rotate a magnet about a coil (or a coil about a magnet) to make electricity.
Just get a fairly strong magnet, I used a cow magnet. Wrap the magnet in a cloth so as not to scratch the face of the panel. Place the magnet over the needle and rotate it counter clockwise. If the magnet is strong enough the needle will return to its proper position.
I really don't know. :D
I assume you mean an electric car. As an electric motor uses magnets or magnetism to rotate
If you suspend the magnet in a way that it can rotate freely (for example, hang it from a thread), one of its ends will point north. If you know which end that is (you may want to mark it), west is 90 degrees to the left of north.
A field magnet in a motor generates a constant magnetic field that interacts with the magnetic field produced by the armature, causing it to rotate. This rotation creates mechanical energy that drives the motor. The field magnet helps establish the direction of the magnetic field within the motor, ensuring proper operation.