AC stands for alternating current in physics. It is an electric current that reverses direction at regular intervals, typically used in power distribution and for electric motors.
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DC stands for direct current in physics. It is a type of electrical current that flows in one direction consistently throughout a circuit. This is in contrast to alternating current (AC), which changes direction periodically.
AC stands for Alternating Current in terms of electricity.
In physics, "Pm" typically stands for Petameter. It is a unit of length equal to 10^15 meters.
In physics, the letter "c" typically stands for the speed of light in a vacuum, which is approximately 299,792,458 meters per second.
In physics, "t" typically represents time. It is a variable used to measure the duration of events or describe the evolution of systems over time.