Tagged Questions

3
votes
1answer
73 views

Can Earth's Magnetic Field Create Electricity?

If the earth has a magnetic field, can it, in theory, be run through a conductive metal coil to create electricity?
4
votes
2answers
113 views

Cancel out Earth's Magnetic field

Is there any tools except helmholtz coil to cancel out earth's magnetic field to calibrate magnetometers in practice.
-6
votes
1answer
55 views

Energy flows in the core also responsible for another of the planet’s unique [closed]

Energy flows in the core also responsible for another of the planet’s unique features: a strong magnetic field. Scientists believe that the earth has had a magnetic field for at least 3.5 billion ...
0
votes
1answer
32 views

What role has our Moon played in creating a persistent geomagnetic field?

The question comes from a comment by Mark Rovetta on my earlier question about the Earth's core going cold.
1
vote
0answers
34 views

Interaction of geomagnetism on free falling coil

Take the Earth, or a similarly large body with an Electromagnetic field. For now - expect atmosphere. Then take a much smaller object - say the size of bus, containing a coil with many windings. If ...
1
vote
1answer
83 views

Is the Earth's atmosphere a Faraday cage?

X-ray telescopes are required to be above the atmosphere as the atmosphere blocks EM waves with wavelengths < UV . Does this mean that the Earth's atmosphere can be thought of as a Faraday cage ...
3
votes
2answers
138 views

The earth's magnetic field

This might sound like a silly question. Is it possible for the earth's magnetic field to actually destroy or harm earth? (implosion, crushing etc.)
0
votes
2answers
81 views

Is reversal of magnetic polarity in a planet an instantaneous occurence?

Just what the title states - Does reversal of magnetic poles in a planet refer to the point in time when reversal is complete? OR Does it refer to the entire drawn out process (assuming the ...