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0 votes
1 answer
127 views

Problem on Angle of declination [closed]

There was a problem in my book that read- A magnet is pointing towards geographic north at a place where the horizontal component of the Earth's magnetic field is 40 microtesla. Magnetic dipole ...
Ambica Govind's user avatar
13 votes
1 answer
6k views

How much power would be needed to make a substitute for natural Earth magnetic field?

Imagine the Earth's magnetic field will take a "maintenance pause" for 1000 years and there is a giant 10-year "doomsday countdown timer" ticking in the sky. The magnetic field will be just normal for ...
Vi.'s user avatar
  • 239
0 votes
1 answer
546 views

Earth's magnetic field

I'm dealing with a problem here. Today my professor asked us a question : How should a metallic wire move in Earth's magnetic field such that she gets maximum potential difference in it's ends: a) ...
Student's user avatar
  • 145