center. The magnetic field is weakest at the center and strongest between the two poles just outside the bar magnet. The magnetic field lines are densest at the center and least dense between the two poles just outside the bar magnet.
Where is the magnetic field weakest Why?
The magnetic field of a bar magnet is strongest at either pole of the magnet. It is equally strong at the north pole when compared with the south pole. The force is weaker in the middle of the magnet and halfway between the pole and the center.
What is the weakest magnetic field?
0.5 femtotesla The weakest magnetic field measured is 0.5 femtotesla/√Hz, and was achieved by Dr. Sheraz Khan (Pakistan) and Dr. David Cohen (USA), at the Martinos Center, Massachusetts General Hospital, Charlestown, Massachusetts, USA, and was published in the Review of Scientific Instruments on 1 May 2013.
Where is Earth's magnetic field strongest and weakest?
Inclination angle: The angle at which the magnetic field lines intersect the surface of the earth. This angle ranges from 0 degrees at the equator to 90 degrees at the poles. Intensity: The magnetic field also varies in strength over the earth's surface. It is strongest at the poles and weakest at the equator.
Where is the magnetic field the strongest?
poles But we know the field inhabits all the space around the magnet. It is strongest at the poles. So, what are magnetic poles? Magnetic poles are opposite ends of a magnet where the magnetic field is strongest.
What is the strongest magnet on Earth?
neodymium The strongest permanent magnets in the world are neodymium (Nd) magnets, they are made from magnetic material made from an alloy of neodymium, iron and boron to form the Nd2Fe14B structure.
Do all planets have magnetic fields?
Magnetospheres — the magnetic fields around most planets — exist throughout our solar system.But not all magnetospheres are created equal: Venus and Mars do not have magnetospheres at all, while the other planets — and one moon — have ones that are surprisingly different.
Can we give the moon a magnetic field?
Presently, the moon does not have an internal magnetic field as it can be observed on Earth. However, there are localized regions on its surface up to several hundred kilometers in size where a very strong magnetic field prevails. This has been shown by measurements on rocks from the Apollo missions.
Can we live without a magnetic field?
Without it, life on Earth would be over very quickly.The Earth's magnetic field protects us by deflecting much of the incoming solar radiation. Without it, our atmosphere would be stripped by solar winds.
Does Venus has a magnetic field?
Venus is a rarity among planets - a world that does not internally generate a magnetic field.Since Venus has no intrinsic magnetic field to act as a shield against incoming charged particles, the solar wind sometimes interacts directly with the upper atmosphere.
Is Earth's magnetic field stronger than Venus?
Earth's magnetic field is categorized as moderately strong, the gas giants and ice giants have extremely strong magnetic fields, Mercury has a weak magnetic field, while Mars and Venus have no measurable magnetic fields. Jupiter is the largest planet in the Solar System and therefore has the strongest magnetic field.
Why is Venus magnetic field weak?
In part because of its slow rotation (243 days) and its predicted lack of internal thermal convection, any liquid metallic portion of its core could not be rotating fast enough to generate a measurable global magnetic field.
Why did Mars lose its magnetic field?
For years, scientists believed that this field disappeared over 4 billion years ago, causing Mars' atmosphere to be slowly stripped away by solar wind.Like Earth, Mars global magnetic field is believed to have been the result of a dynamo effect caused by action in its core.
What would happen if we lost our magnetic field?
If Earth lost its magnetic field, there would be no magnetosphere – and no line of defense, even from weaker solar storms. Our power grids would be more vulnerable than ever, and even our computers and other electronics could suffer damage if a solar storm struck.
What Killed Mars?
So how did Mars die? After repeatedly skimming the upper reaches of the Martian atmosphere with an orbiting probe, researchers have another piece of the puzzle—they discovered that H2O molecules are somehow slipping past a protective atmospheric barrier much more easily than predicted.
Does Mars have oxygen?
Mars' atmosphere is dominated by carbon dioxide (CO₂) at a concentration of 96%. Oxygen is only 0.13%, compared with 21% in Earth's atmosphere.The waste product is carbon monoxide, which is vented to the Martian atmosphere.