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What is the maximum absolute value reached by a voltage or current waveform?
define the maximum value of an ac wave form
What is the voltage at the 90 degree point of a sine wave with a maximum voltage of 10 volts?
10 Volts. ANSWER: ASSUMING a start when the voltage is at 0 and 0 degrees at 90 degrees is at maximum at 180 degrees is again at 0 v at 270 degrees is at the maximum negative potential and at 360 degrees is again at 0 v. the voltage is irrelevant in any case but it will follow these rules
Root-mean-square voltage in ac?
rms voltage will give the ability to predict how much work will be done by an ac voltage. the rms value of a pure sine wave is 0.707 times it's maximum amplitude.
Maximum generating voltage in world?
maximum generated voltage is 21KV
What is The process of changing a half-wave or full-wave rectified voltage to a constant dc voltage?
It is smoothing
What is the maximum absolute value reached by a voltage or current waveform?
define the maximum value of an ac wave form
What are the disadvantages of half wave recrifier?
A half wave rectifier does not make a stable voltage. A single phase half wave creates a "bumpy road" where voltage modulates between sine wave maximum and zero. A three phase half wave will create a more stable, but ultimately "unclean", voltage.
What is the conversion of rms voltage to Peak to Peak voltage?
Assuming sine wave (it is different if not): Vp-p = 2.828 * Vrms
What is the approximate peak-to-peak voltage of a 2 VRMS sine wave?
the answer is 5.6vp-p
At what phase angle is the voltage momentarily constant in a sine wave?
We often see the peak and trough (maximum positive and maximum negative excursions) of the sine wave considered as points of momentarily constant voltage. Those points are at phase angles of 90 degrees and at 270 degrees.
In the human ecg the voltage is zero or close to 0 between the t wave and next p wave and again between the qrs complex and t wave why?
At the points described the membrane potential (or "voltage") is the resting membrane potential which is around -90mV not 0.
What is the voltage at the 90 degree point of a sine wave with a maximum voltage of 10 volts?
10 Volts. ANSWER: ASSUMING a start when the voltage is at 0 and 0 degrees at 90 degrees is at maximum at 180 degrees is again at 0 v at 270 degrees is at the maximum negative potential and at 360 degrees is again at 0 v. the voltage is irrelevant in any case but it will follow these rules
Root-mean-square voltage in ac?
rms voltage will give the ability to predict how much work will be done by an ac voltage. the rms value of a pure sine wave is 0.707 times it's maximum amplitude.
Maximum generating voltage in world?
maximum generated voltage is 21KV
Why is the R wave taller than the P wave on the ECG graph cycle?
The QRS complex is normally larger than the P Wave because depolarization of the larger muscle mass of the ventricles generates more voltage than does depolarization of the smaller muscle mass of the atria
What is the VSWR and reflection coefficient?
VSWR = voltage standing wave ratio = ratio of the maximum voltage to minimum on a line = VSWR = Emax / Emin = Imax / Imin Reflection Coefficient is the ratio of reflected voltage to incident voltage. = ZL - ZO / ZL + ZO
For a open circuit the VSWR is?
the voltage standing wave ratio is defined (1+p)/(1-p), where p is the the reflection coefficient magnitude. p = 1 for an open circuit, therefore the VSWR will approach infinite.
