Physics

Physics, 09.12.2019 01:31, puzzledprincess8037

The earth has a magnetic field much like a bar magnet. explain this statement.

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Physics, 09.07.2019 16:00, Ashley606hernandez

1. two magnetic north poles will do which of the following? a. attract one another b repel one another c. attract or repel one another, depending on orientation d. not interact with one another 2 magnetic monopoles have never been found in nature nor been created because of this scientists believe that magnets must a. form closed loops b decrease in strength over time c have both north and south poles d be created by moving charged particles 3 what must be true about the domains in a powerful iron magnet a there’s are very few of them b most atoms are magnetically aligend c the domains have been forced out of the magnet d additional domains have been created by the magnetic field 4 which of these will be affected by a magnetic field? select all that apply a moving proton b stationary proton c moving bar magnet d stationary bar magnet 5 magnetic domains are which of the following? a a type of magnetic pole b created by stationary chargers c regions within some types of magnetic materials d a way to prevent magnetic field form entering a region 6. the left side of magnet x is attracted to one end of magnet x and also to one end of magnet y. what is the polarity of the left side of magnet x? a north b south c either north or south 7 what is the relationship between the auroras and earth magnetic field a the auroras are earth”s magnetic field b the auroras create earth magnetic field c earth magnetic field create the auroras d streaks in the sky correspond directly to earth magnetic field line 8 which of the following could be the cause of the magnetic properties of a bar magnet a vibrating magnetons within the magnet b molten metal convecting inside the magnet c open magnetic field lines entering the magnet d electrons moving inside the atoms of the magnet 9 earth magnetic field is similar to that of a bar magnet. select all the statements that are true as a consequence of this a it has a north and south magnetic pole b it has a bar shaped iron section inside it c its magnetic field lines form closed loops d magnetic object are attracted to its poles

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Physics, 19.08.2019 03:30, mjwenz8018

1)the magnetic field is strongest a bar magnet. a)the poles b)the center 2)the needle of compass line up with earth magnetic field and point a)earth poles b)earth equator 3)magnetic field lines that curve toward each other a)repulsion b)attraction 4)some animals have tiny pieces of their brains to them find their way a)magnetite b)magnetosphere 5)a magnet contain a large number of magnetic are lined up and pointed in the same direction. a)domains b)poles

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Engineering, 25.09.2019 19:30, jaylaa04

The magnetic field of earth acts very similarly to a bar magnet. the magnetic field is created by molten iron within earth’s core. humans and animals rely on the magnetic field for navigation. describe how the magnetic field is used for navigation, and explain how it protects life on earth.

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Physics, 10.10.2019 03:20, shanicar33500

Espite the presence of the coil and the bar magnet, the compass points north. which end of the bar magnet is closer to the compass? check all of the following statements that are correct: the magnetic dipole moment of the coil is equal to the magnetic dipole moment of the compass. because not all parts of the magnet are the same distance from the compass, treating the magnet as a dipole located at the center of the magnet is an approximation. it isn't necessary to take the magnetic field of the magnet into account, since the coil is in between the magnet and the compass. at the location of the compass, the net magnetic field is equal to the magnetic field of the earth. at the location of the compass, the magnetic field due to the magnet is equal in magnitude to the magnetic field due to the coil.

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The earth has a magnetic field much like a bar magnet. explain this statement....

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