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The periodic time of an alternating-current system is the?
The periodic time of an alternating-current system is the is the time in seconds that has to elapse before the waveform repeats itself from its beginning to the end. It is denoted as the Period (T).
Define alternating current definition?
The alternating current refers to the flow of the electric charge periodically and in the opposite direction. The polarity changes with the time..
What is rms value in ac system?
The r.m.s. value of an alternating current or voltage is the value of direct current or voltage which produces the same heating effect.
A current that charges direction and intensity at a regular interval of time is called?
alternating current (AC)
When electrons flow in one direction what is that called?
The electrons flows from negative to positive and then positive to negative.The pole of the flow of electron changes at a time interval.This is called alternating current (AC).
What is AC periodic wave?
An AC periodic wave refers to an alternating current waveform that repeatedly varies with time, switching direction at regular intervals. This type of wave is commonly used in electrical systems to generate power and transmit signals. AC periodic waves are defined by their amplitude, frequency, and phase characteristics.
Where did Nikola Tesla invent the alternating current?
He was living in New York at the time.
What does a sine curve represent in physics?
In physics, a sine curve is used to represent periodic phenomena such as simple harmonic motion or alternating current. It shows how a quantity varies sinusoidally with time or distance. The amplitude, frequency, and phase of the sine curve provide important information about the behavior of the system being studied.
What is a frequency of ac signal in Pakistan?
The current which changes it direction after every half cycle is called alternating current(A.C) or Alternating current which produced by voltage source whose polarity keeps on reversing with time. By Shahnam qadeer
What is ac and what is DC?
DC stands for "direct current", AC for "alternating current". A direct current flows in a single direction; an alternating current changes its direction all the time, typicall 100 or 120 times a second (twice the frequency, which is measured in hertz).
What was invented by Nikola Tesla in 1888?
In 1888 Tesla designed the first practical system of generating and transmitting alternating current for electric power. The American rights to this epoch-making invention were bought by the American inventor George Westinghouse, who demonstrated the system for the first time at the World's Columbian Exposition in Chicago. Two years later Tesla's alternating-current motors were installed at the Niagara Falls power project.
What does the term frequency mean in electricity?
That refers to AC (alternating current). A direct current flows only in one direction; an alternating current changes its direction all the time. The "frequency" refers to how often the current changes direction. It is expressed in hertz (Hz), which means the same as cycles/second.
