Alternating Current vs Direct Current - Physics Forums
Jun 14, 2006 · Alternating Current (AC) flows in both directions, switching direction 60 times per second in the U.S., while Direct Current (DC) flows in one direction only. AC is preferred for …
Varying Direct Current and Alternating current - Physics Forums
Jul 23, 2015 · So, @William White, according to you, for varying direct current, the current can't be negative basically, but can be in alternating current? And to answer your question, it would …
SI Notation for Direct Current and Voltage Direct Current - Correct ...
Dec 2, 2010 · The IEEE recommends using "Vdc" for volts in direct current and "Vac" for volts in alternating current, with lowercase "dc" and "ac" for text abbreviations. The terms "direct …
Understanding the Relationship Between Electric Current and …
Apr 19, 2006 · Electric current and radio waves are fundamentally different phenomena, although they are interconnected. Electric current, particularly alternating current (AC), can generate …
Why does the IEEE recommend using ac and dc instead of AC and …
Feb 12, 2014 · There is a discussion about the convention of using lowercase for alternating current and uppercase for direct current in certain contexts, but opinions vary on its …
Alternating current and Direct current? - Physics Forums
Jun 8, 2012 · Toasters and electric kettles primarily operate on alternating current (AC) because they are designed to work with the AC supply from wall outlets, which is more efficient for …
Demagnetizing Magnets: Alternating & Direct Currents
Feb 11, 2021 · Demagnetizing a magnet using alternating current is indeed possible, as it randomizes the magnetic dipole moments in ferromagnetic materials. Direct current is …
Why DC is said to be more dangerous than AC? - Physics Forums
Dec 28, 2011 · However, any practical distribution system will use voltage levels quite sufficient for a dangerous amount of current to flow, whether it uses alternating or direct current.
Why can't transformers work with direct current? - Physics Forums
Aug 12, 2009 · Why are transformers only used in alternating current, and cannot be utilized in direct current? Since the first wire will contain current, there will be an induced magnetic field …
Alternating Current, live and neutral wires - Physics Forums
Nov 5, 2016 · The discussion focuses on the understanding of alternating current (AC) in relation to live and neutral wires in electrical circuits. It clarifies that AC current alternates direction, …