Encyclopaedia Britannica's editors oversee topic places during which they've got in depth awareness, no matter whether from years of working experience attained by focusing on that articles or by using analyze for a sophisticated degree. They create new information and confirm and edit written content received from contributors.Electric power will

The electrical motor exploits a significant result of electromagnetism: a recent via a magnetic subject experiences a pressure at right angles to each the sector and current. This romance concerning magnetic fields and currents is incredibly vital, for it led to Michael Faraday's invention of the electric motor in 1821.In contrast to static electri