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What can reverse magnetic polarity
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∙ 13y ago
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What is reverse magnetic polarity?
lets say the earth was to have a magnetic polarity reversal the north pole would become the south pole, and the south pole would become the north pole. i hope that helps.
What happens to the magnetic field around a wire if you reverse the connection between the wire and the poles in a battery?
The magnetic field reverses polarity. North becomes South.
Describe how the polarity of earth's magnetic field is recorded in the sea-floor?
The polarity of the Earth's magnetic field is recorded in igneous rocks, and reversals.
What is the pattern of magnetic polarity reversals?
In a geomagnetic reversal, the south and north magnetic poles flip locations. A magnetic pole reversal takes place every 450,000 years on average, but this is not regular. We are way overdue since the last reversal was 780,000 years ago. There is a pattern in the magnetic polarity of basaltic rocks on opposite sides of a mid-ocean ridge. Basalt contains tiny magnetic crystals that point to the location of the north magnetic pole at the time the lava cools. The rocks at the ridge have positive polarity, but on either side of the ridge the polarity is negative, indicating that those lavas cooled when the magnetic field was opposite of what it is today. On either side of the basalt with negative polarity are more rocks with positive polarity. This pattern continues on both sides of the mid-ocean ridge across the ocean basin. The pattern of magnetic polarity is one of the main lines of evidence for seafloor spreading, which is the mechanism for plate tectonics.
What best describes Earth's north magnetic pole?
Your expression, 'earth's north magnetic pole' is, at best, confusing. Are you referring to 'Magnetic North', which is a location and not the polarity of that location? Or are you referring to the magnetic polarity of this location, which is a south pole?If the former, then a compass indicates the direction of Magnetic North. If the latter, then earth's north magnetic pole is located at Magnetic South. In other words, a compass needle points to Magnetic North because it is attracted by its south magnetic polarity.Just to expand somewhat on this answer... 'Magnetic North' and 'Magnetic South' are so-named to differentiate their locations from 'True North' and 'True South'. In other words, 'Magnetic North' and 'Magnetic South' are locationsand not magnetic polarities. In fact, the magnetic polarity of True North is a south pole, and the magnetic polarity of True South is a north pole. I would also argue that the terms 'Magnetic North (or South) Pole' is confusing, because the location is not really a 'pole' in either the geographic or magnetic sense. By calling Magnetic North, a 'pole' causes confusion, making some students confuse their location ('Magnetic North') with their polarity ('south')!Apex answer: Wandering
How do you reverse reverse polarity?
Earth's magnetic field lines up in a direction opposite of the present magnetic Feld
What happens when you reverse the current in a current-carrying magnetic field?
The polarity of the electromagnet reverses.
What is reverse magnetic polarity?
lets say the earth was to have a magnetic polarity reversal the north pole would become the south pole, and the south pole would become the north pole. i hope that helps.
What happens to the magnetic field around a wire if you reverse the connection between the wire and the poles in a battery?
The magnetic field reverses polarity. North becomes South.
Why transformers do not have poles even though it has magnetic field?
The windings of a transformer do have poles, which alternate in polarity in step with the A.C. magnetising current. As the polarity of the poles reverse, so too does the direction of the magnetic flux within the transformer's core.
What are the polarity of earth's north and south poles?
The magnetic polarity of the location we call 'Magnetic North' is a south pole, and the polarity of the location we call 'Magnetic South' is a north pole.
Do waves have magnetic polarity?
No, waves do not have magnetic polarity. Waves are disturbances or vibrations that propagate through a medium or space, and they do not possess magnetic properties. Magnetic polarity is a characteristic of magnetic materials such as magnets, where they have a north and south pole.
What problems are there with reverse polarity?
Reversing polarity ,changes the rotation of the device you are changing polarity on.
What is an example of reverse polarity?
Reverse polarity means connecting a power source, or polarised componenet, with the positive and negative poles the wrong way round. If the positive and negative supply is connected the wrong way round in electronic devices, it usually causes damage, because semiconductors are sensitive to polarity. Sometimes protection is provided, so that reverse polarity stops the device from working without causing damage. Connecting a diode (or rectifier) in reverse, will block the flow of current, without causing damage and is useful in protecting circuits from reverse polarity. In some consumer electronics (especially CB Radios) the power input has a recitifier across the 12v supply. If it is wired correctly, the rectifier is in reverse polarity, does not conduct and allows the radio to work. If you reverse the polarity of the power supply, the rectifier is now in full conduction, across the supply, causing a dead short. This shunts any power away from the radio and blows the fuse in the line, thus protecting it.
When new basalt forms along mid-ocean ridges it become magnetized?
accorsing to the earths magnetic field
How is the polarity of Earth's magnetic field recorded in the sea floor?
The polarity of the Earth's magnetic field is recorded in igneous rocks, and reversals.
How can you reverse the rotation of barlow's wheel?
Reverse the polarity of the magnet.
