Physics, asked by Anonymous, 1 year ago

is it possible to change the polarity,or increase magnetic effect of permanent magnet?
if no,why?

Answers

Answered by craze4study
2
no but in electromagnet we can change polarity and magnetic effect by increasing or decreasing electric current
Anonymous: donot call me newton
craze4study: farhann after millions of years the poles of earth changes and thats the time when polarities of magnet are changed
craze4study: but since it is millions of years after we consider poles of magnet be fixed also scientists can not determine the time when polarities of earth change
craze4study: its all I know
craze4study: now its ur turn to tell me what u know at 9 sharp
Anonymous: ohh yaa
Anonymous: u r too intelegent lady
Anonymous: but where r u
Anonymous: whom i give the answer,
craze4study: sorry I was sick so I cant come online
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