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  2. Alternating current - Wikipedia

    en.wikipedia.org/wiki/Alternating_current

    The abbreviations AC and DC are often used to mean simply alternating and direct, respectively, as when they modify current or voltage. [ 1 ] [ 2 ] The usual waveform of alternating current in most electric power circuits is a sine wave , whose positive half-period corresponds with positive direction of the current and vice versa (the full ...

  3. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    Air conditioning, often abbreviated as A/C (US) or air con (UK), [1] is the process of removing heat from an enclosed space to achieve a more comfortable interior temperature and in some cases also controlling the humidity of internal air.

  4. AC - Wikipedia

    en.wikipedia.org/wiki/AC

    AC, A.C., A/C, or Ac often refers to: Air conditioning, often abbreviated as A/C; Alternating current, a type of electrical current in which the current repeatedly changes direction; AC, A.C. or Ac may also refer to:

  5. Glossary of electrical and electronics engineering - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_electrical_and...

    The root mean square value of a waveform is the DC value that corresponds to equivalent heating value. rotary converter An electric machine that converts electric power between two forms, say, AC and DC or single-phase and three phase, or between two different frequencies of AC (the latter two can be performed by the same machine). rotary encoder

  6. Certificate of Advanced Study - Wikipedia

    en.wikipedia.org/wiki/Certificate_of_Advanced_Study

    A Certificate of Advanced Study (CAS), [1] also called an Advanced Certificate (AC), [2] [3] [4] Certificate of Advanced Graduate Study (CAGS), [5] or a Certificate of Advanced Professional Studies (CAPS), is a post-Master's academic certificate designed for professional and non traditional students, as well as practitioners who seek a continuing education program to enhance their professional ...

  7. AC power - Wikipedia

    en.wikipedia.org/wiki/AC_power

    The concept of power dissipation in AC circuit is explained and illustrated with the example. For instance, a power factor of 0.68 means that only 68 percent of the total current supplied (in magnitude) is actually doing work; the remaining current does no work at the load. Power Factor is very important in Power sector substations.

  8. ACT (test) - Wikipedia

    en.wikipedia.org/wiki/ACT_(test)

    The ACT (/ eɪ s iː t iː /; originally an abbreviation of American College Testing) [10] is a standardized test used for college admissions in the United States.It is administered by ACT, Inc., a for-profit organization of the same name. [10]

  9. Academic degree - Wikipedia

    en.wikipedia.org/wiki/Academic_degree

    An academic degree is a qualification awarded to a student upon successful completion of a course of study in higher education, usually at a college or university.These institutions often offer degrees at various levels, usually divided into undergraduate and postgraduate degrees.