• Power Factor "cosφ".
    Power Factor It is common to define the Power Factor -  PF  - as the cosine of the phase angle between voltage and current - or the " ...
  • What is alternating current (AC)?
    What is alternating current (AC)? Most students of electricity begin their study with what is known as  direct current  (DC), which is ele...
  • Other versions of Ohm's law
    Other versions of Ohm's law Ohm's law, in the form above, is an extremely useful equation in the field of electrical/electronic en...