Though earth produces magnetic field why can’t a coil rotating in air induce current in it?
Though earth produces magnetic field why can’t a coil rotating in air induce current in it?
aaaaaaa , 9 Years ago
Grade 12th pass
Electromagnetic Induction> Though earth produces magnetic field why ...
1 Answers
Umakant biswal
Last Activity: 9 Years ago
DEAR
earth magnetic field is too weak . it is typically 50 microtesla in magnitude , in comparison , atypical frige magnet are 5 millitesla strong , and the bar magnets are 1 tesla strong .
you need such strong magnetic field to produce any significant amount of voltage in the coil rotating in air .
HOPE IT CLEARS NOW
regards
earth magnetic field is too weak . it is typically 50 microtesla in magnitude , in comparison , atypical frige magnet are 5 millitesla strong , and the bar magnets are 1 tesla strong .
you need such strong magnetic field to produce any significant amount of voltage in the coil rotating in air .
HOPE IT CLEARS NOW
regards
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