Search results for query: *

Evryone knows that the work done by a magnetic field is zero. Then how does a permanent magnet lift iron filings.

We all know that the work done by the magetic field is zero. But, how does the magnetic field lift iron objects?

No they are not less magnetic...The Total energy is always conserved. Sridhar

... The energy comes from the potential energy stored in the field. Sridhar

.. when a charge is kept at some distance from the sphere, the electric field would act on the sphere. This electric field is going to induce charges of opposite polarity on the charge. Now any spherical charge distribution will act like a point charge. Thus, equate the electric field due to a...

View this thread You will fid ur answers

Hi Yes, Magnetic Fields are created by accelerated charges and no An Alectric field in one frame is not seen as a Magnetic Field in the other.