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The magnetic field can certainly be detected by a compass.

The 'lines' are a handy human invention, and don't really exist, so you could not,
say, trace out the lines with a compass, because they're not there.

But place a compass next to a wire that's involved in any battery-operated (DC)
circuit, and the compass absolutely goes crazy !

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How can you know where the field streght of a magnet lies?

You can determine the direction of a magnetic field by using a compass needle, which will align itself along the field lines of the magnet. The direction in which the North pole of the compass needle points indicates the direction of the magnetic field lines.


Do magnetic field lines close together indicate a weaker magnetic field?

No, magnetic field lines close together indicate a stronger magnetic field, while magnetic field lines farther apart indicate a weaker magnetic field. The density of field lines represents the strength of the magnetic field in that region.


What is a magnetic compass?

A magnetic compass has a needle mounted in a way that allows it to turn freely. Tis needle always lines up with Earth's magnetic field and points toward magnetic north. The needle is set over a diagram that shows east,south, and west. By knowing which way is north, a sailor can find the other diections. AA magnetic compass has a needle mounted in a way that allows it to turn freely. Tis needle always lines up with Earth's magnetic field and points toward magnetic north. The needle is set over a diagram that shows east,south, and west. By knowing which way is north, a sailor can find the other diections.


Are the lines that map out the magnetic field around a magnet?

The lines that map out the magnetic field around a magnet are called magnetic field lines. These lines indicate the direction of the magnetic field and its strength at different points around the magnet. Magnetic field lines are closest together where the magnetic field is strongest and they form closed loops that do not intersect.


Does DC electricity affect a compass?

Yes. Electricity flows from the negative side of a battery to the positive side. If you wrap your hand around the wire with the thumb following the electricity, the magnetic field will be moving in the same direction as the way your fingers are curled.

Related Questions

What happens when a compass is brought into a magnetic field?

When a compass is brought into a magnetic field, the needle of the compass will align itself with the magnetic field lines. This is because the needle is a magnet itself and is influenced by the magnetic field of the Earth or any external magnetic field it is brought into.


How can one determine the direction of a magnetic field?

To determine the direction of a magnetic field, you can use a compass. The needle of the compass will align itself with the magnetic field lines, pointing towards the direction of the field.


What does a magnetic field look like?

A magnetic field is invisible, but its presence can be detected by placing a compass near a magnet. The magnetic field lines around a magnet are depicted as flowing from one pole to the other, forming a looped shape. The strength of the magnetic field is strongest near the poles of the magnet and weakest at its center.


Does a compass needle line up perpendicular or parallel to a magnetic field?

A compass needle will align itself with a magnetic field. It will want to lie along the magnetic field lines, or lie parallel to the lines of force of the magnetic field it is interacting with.


Which is used to show the magnetic lines of force?

A magnetic compass or iron filings can be used to show the magnetic lines of force. When a compass is placed near a magnet, the needle aligns along the magnetic field lines, indicating their direction. Iron filings sprinkled near a magnet will also align along the magnetic field lines, providing a visual representation of the magnetic field.


How does an inducted magnetic field influence the direction of a compass needle?

The conducting wire wrapped around the compass is energized creating a magnetic field that counteracts the effects of the Earth's magnetic field and changes the direction of the compass needle.


What device can be used to determine the direction of the magnetic field in the electromagnet?

A compass can be used to determine the direction of the magnetic field in an electromagnet. The needle of the compass will align along the direction of the magnetic field lines produced by the electromagnet.


How a compass can be used to trace the magnetic field of the magnet?

A compass can be used to trace the magnetic field of a magnet by placing the compass near the magnet. The needle of the compass will align with the magnetic field lines, allowing you to visualize the direction of the field. By moving the compass around the magnet, you can map out the shape and direction of the magnetic field.


How can you know where the field streght of a magnet lies?

You can determine the direction of a magnetic field by using a compass needle, which will align itself along the field lines of the magnet. The direction in which the North pole of the compass needle points indicates the direction of the magnetic field lines.


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.


How does a compass needle respond when a compass is Place with in a magnetic field?

If a magnetic compass needle is placed in a magnetic Field , its needle deflects and points in the north and south directions


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.