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What can we use to find the shape of a magnetic field?
We can use iron filings, a magnetic compass, or a Hall probe to find the shape of a magnetic field. Iron filings line up along magnetic field lines, a magnetic compass shows the direction of the field, and a Hall probe can measure the strength of the magnetic field at different points.
Choose the best description of a magnetic field line A Magnetic field lines for a bar magnet are parallel to the magnet B A magnetic field line shows the direction a compass needle would?
B. A magnetic field line shows the direction a compass needle would align in a magnetic field.
What happens when iron filings are exposed to a magnetic field?
When iron filings are exposed to a magnetic field, they align themselves along the magnetic field lines, creating a visible pattern that shows the direction and strength of the magnetic field.
The arrow on magnetic field lines shows them flowing in which direction?
The arrow on magnetic field lines shows the direction in which a north magnetic pole would be drawn if placed in the field at that point. This convention is used to represent the magnetic field direction moving from north to south.
What is a magnetic field made up of?
A magnetic field is made up of imaginary lines of force that extend from a magnet or current-carrying conductor. These lines of force help to describe the direction and strength of the magnetic field.
What can we use to find the shape of a magnetic field?
We can use iron filings, a magnetic compass, or a Hall probe to find the shape of a magnetic field. Iron filings line up along magnetic field lines, a magnetic compass shows the direction of the field, and a Hall probe can measure the strength of the magnetic field at different points.
Choose the best description of a magnetic field line A Magnetic field lines for a bar magnet are parallel to the magnet B A magnetic field line shows the direction a compass needle would?
B. A magnetic field line shows the direction a compass needle would align in a magnetic field.
What happens when iron filings are exposed to a magnetic field?
When iron filings are exposed to a magnetic field, they align themselves along the magnetic field lines, creating a visible pattern that shows the direction and strength of the magnetic field.
The arrow on magnetic field lines shows them flowing in which direction?
The arrow on magnetic field lines shows the direction in which a north magnetic pole would be drawn if placed in the field at that point. This convention is used to represent the magnetic field direction moving from north to south.
What is a magnetic field made up of?
A magnetic field is made up of imaginary lines of force that extend from a magnet or current-carrying conductor. These lines of force help to describe the direction and strength of the magnetic field.
What evidence is there that the earths magnetic fields move?
Ancient pottery shows movement of the earth's magnetic field. Firing the pottery fixes the ambient magnetic field in the fired pottery.
How are electromagnetics detected?
Well you could either directly measure the magnetic field produced by the electromagnet. Something as simple as a compass shows the presence of a magnetic field. Or you could measure the electric current induced by the magnetic field.
What is the relationship between the electric field and the magnetic field when the electric field equals the velocity multiplied by the magnetic field?
When the electric field equals the velocity multiplied by the magnetic field, it indicates a special relationship known as electromagnetic induction. This relationship shows how a changing magnetic field can create an electric field, and vice versa, according to Faraday's law of electromagnetic induction.
What is the diagram of a magnetic field and how does it illustrate the direction and strength of the magnetic field lines?
A magnetic field diagram shows the direction and strength of magnetic field lines around a magnet or current-carrying wire. The lines indicate the direction a compass needle would point if placed in the field. The density of the lines represents the strength of the magnetic field, with closer lines indicating stronger fields.
Where is the field around a magnet is the strongest and where it is the weakest?
This shows the field lines around a disk magnet where the North pole is at the top. This shows the magnetic field strength around the disk magnet. Again, it is strongest in the corners, not in the center of the poles! The magnetic field is weakest in the middle of its poles!
What are magnetic field lines and how do they show the strength of a magnet?
Magnetic fields are bascially lines of force caused by magnetic poles. It is invisible, but you can track how the field lines are formed doing a small experiment. Spread some iron fillings on a tray. Then bring a magnet up close to the iron fillings but not too close. You can observe that the iron fillings move into the field lines of the magnet that you brought up close. That's a miniature of a magnetic field. The earth's magnetic field is much bigger.
Which happens to the magnetic field of a wire when you change the direction of the current in the wire The magnetic field?
The magnetic field collapses to zero, then builds up again for the current in the opposite direction.
