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How only capacitors can give smooth ac voltage waveform when used in ac circuits?
Capacitors resist a change in voltage, inversely proportional to their capacitance. As a result, transients in the AC line tend to be filtered out.
What is the maximum absolute value reached by a voltage or current waveform?
define the maximum value of an ac wave form
How ac voltage is superimposed on dc voltage?
AC voltage can be superimposed on DC voltage by adding the AC signal to the DC level in a circuit. This is often achieved using capacitive or resistive coupling, where the AC waveform rides on top of the constant DC voltage. The resulting waveform is a combination of the steady DC component and the fluctuating AC component, allowing for the transmission of both types of signals simultaneously. This technique is commonly used in various electronic applications, such as in modulation and signal processing.
Why sawtooth waveform is used in thyristor triggering circuit?
A sawtooth waveform is used in thyristor triggering circuits because it provides a linear and predictable voltage ramp, allowing for precise control over the timing of the thyristor's conduction. The waveform's rising edge can be synchronized with the zero-crossing of alternating current (AC), enabling accurate phase control in applications like dimming and motor speed control. Additionally, the sawtooth waveform facilitates the generation of a trigger pulse at a specific point in the AC cycle, ensuring reliable and consistent operation of the thyristor.
Why is average voltage of full wave rectified voltage different from the rms value of an equivalent ac waveform?
the number u are seeking is 0.639
Why do you obtain more dc voltage than ac voltage in power supply design by using transformer?
You don't. Transformers only work with AC voltage. Their input will be an AC waveform, and their output will be an AC waveform. Other electronics are used to convert the stepped down AC waveform from the transformer to DC.
Is there any possibilty of ac and DC flows in conductor at a time and get DC and AC with two reference AC and DC?
A typical AC waveform is symmetrical about a zero crossing point. You can bias the AC with DC such that the AC waveform is symmetrical about the DC voltage.
How often the AC waveform repeats is known as the AC?
after every 6 units of time.
What is the period for an AC waveform with a frequency of 400Hz?
The period for an AC waveform with a frequency of 400Hz is ( \frac{1}{400} = 0.0025 ) seconds or 2.5 milliseconds. Period is the inverse of frequency, so it represents the time taken for one complete cycle of the waveform at that frequency.
Rate in which ac voltage waveform periodically repeats itself?
Frequency.
What do they mean with AC by amplitude?
AC (alternating current) amplitude refers to the maximum variation of the current or voltage in an AC waveform from zero to its peak value. It represents the strength or intensity of the alternating waveform at any given time. The amplitude of an AC signal is important for determining the power and performance of electrical devices that use AC power.
What is the difference while applying kcl to dc and ac circuits?
KCL is Common to both AC and DC. Only the waveform or AC and DC will differ
Is an AC circuit never zero?
No , an AC waveform goes to 0 60 times a second ( if its a 60 hz wave form )
The time between any two similar points on an AC waveform is known as?
wavelength
Is AC a wave or a wave form?
AC stands for "alternating current," which is a type of electrical current that periodically changes direction. It is not a wave but can be represented by a waveform, which shows how the voltage or current changes over time in a repetitive manner. So, AC is not a wave itself, but it produces a waveform when graphed.
What is the waveform of AC through a straight wire?
Either sinusoidal, or can always be represented as a sum of sinusoids.
What are the types of AC waveform?
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