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What is meant by alternating current reversing direction The electricity, or more precisely, electric current is flowing in a loop When the electricity is delivered to your house, the loop is formed by a generator (the source of the electricity), an electric device in your house (the load) and two wires In reality the picture is a little more complicated, but the idea is the same When we say that an alternating current reverses its direction, we
electric current - How does an AC circuit get anything done? - Physics . . . Alternating current transmits powered by varying electric fields which makes the electron oscillate this oscillating energy transmitted through the wire in the form of electric fields and the energy is transmitted where it needs to be transmitted
Why is AC more dangerous than DC? - Physics Stack Exchange Alternating current (AC), because it alternately reverses direction of motion, provides brief moments of opportunity for an afflicted muscle to relax between alternations Thus, from the concern of becoming "froze on the circuit," DC is more dangerous than AC
Does alternating current (AC) require a complete circuit? Wherever there is an AC electric field in space around an AC circuit, there are source charges repeatedly bunching up and gathering and then draining somewhere in the circuit and the displacement current measures this "compressible" part of the conduction current flow that leads to these oscillating excess charge densities
What are the fields produced around a current carrying conductor? For the AC case, solving for the fields becomes wildly complicated very fast as now the electric field driving particle currents has both a voltage source and a time-varying magnetic source through the magnetic vector potential
electricity - In an alternating current, do electrons flow from the . . . The question is based on my incorrect understanding of electric current If electric current is flow of electric charge which is carried by free moving electrons, then I can understand DC When I read the defintion of AC as movement of electic charge that periodically changes direction (like back forth) along the line of flow, then how is there is a movement of charge Answers given by
Why AC current lose less power over long distances than DC? I was eager to know why AC current has a smaller power loss than DC over long distances There is little difference between power losses for rms ac current at power distribution frequencies (50 or 60 Hz depending on country) and dc current of the same magnitude (accept for some skin effect loss for ac)
How do electrons flow in AC? - Physics Stack Exchange Electrons flow from low potential to high potential in DC, i e from negative terminal to positive terminal But how do they flow in AC, as the polarity changes every 10ms for 50Hz?