Where does the energy come from when a magnet moves a compass?
52502
Conservation of Energy in a magnet
114225
If movement is relative, why is it said that moving objects have kinetic energy?
11280
Where does the extra kinetic energy of the rocket come from?
31554
Does waving a magnet around create light?
128759
Why don't we define potential due to a magnetic field?
148230
Magnetic field due to a charge having uniform velocity
9735
Why does a change of direction imply an acceleration?
129634
Why does the kinetic energy of a particle moving in circular motion increase when the turn radius decreases and no torque is acting?
128817
What is the source of Earth's magnetic field?
135487
Why does the Earth not lose its magnetism?
57257
Kinetic energy of an object rotating about an axis not through the center of mass
130573
Why bar magnet can produce magnetic field?
57983
Is diamagnetism a static or dynamic effect?
78372
Work is not done by the magnetic field?
137250
What happens to the rotational kinetic energy?
29077
current in wire + special relativity = magnetism
153346
Do magnets lose their magnetism?