Then the magnetic field energy will also be a constant. The kinetic energy of movable parts is 0 and the friction loss will not increase. There is coil loss which decided by the current, time and the coil resistance.
Then the magnetic field energy will also be a constant.The kinetic energy of movable parts is 0 and the friction loss will not increase.There is coil loss which decided by the current, time and the coil resistance.