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If a bass guitar has a frequency of 400Hz what frequency would your eardrum vibrate at?
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If the input frequency to a full wave rectifier is 400Hz what is the ripple frequency?
twice the frequency that is rectified.
How can you make a static inverter keeping the frequency at 400Hz accurate?
You can make your static inverter to maintain 400Hz by means of compare the generated frequency of your inverter with the reference buildin frequency generator which is called local oscillator or multivibrator which is fixed at 400 Hz. If your inverter generate frequency grater or less than 400Hz then the comparison between the reference frequency and the generate frequency will produce the error signal to reduce or increase the generated frequence and send it out. This is the principle operation of the Electrical Power Generation System. Post this answer by : tassana.e@thaiairways.com
What is the fourth harmonic of a fundamental frequency of 400 Hz?
1600HZ 400HZ x 4
What is the change in current when frequency changes from 8 khz to 400hz?
That depends on the circuit. For a pure resistive circuit (no inductance and capacitance), the frequency will have no effect on the current.
What is the frequency range of speech?
A Deep male voice could start as low as 80Hz. A prepubescent child ranges from 150 to 400Hz
What is the speed of a wave if its wavelength is 0.02meters its frequencyis 400hz?
If you multiply the wavelength (in meters) and the frequency (in Hertz), you will get the speed of the wave (in meters per second).
If the frequency spectrum of a signal has a bandwidth of 500 Hz with the highest frequency at 600 Hz what should be the sampling rate?
The Nyquist Therorem states that the lowest sampling rate has to be equil to or greather than 2 times the highest frequency. Therefore the sampling rate should be 400Hz or more.
How do Frequency and Pitch differ?
Although the response of the human ear varies from individual to individual and also changes with age, the range of hearing is 20 Hz with maximum sensitivity between 200-400hz. Pitch refers to the sensation of increase or decrease of frequency.
Why frequency in power systems has to be kept constant for load?
it doesnt have to be kept constant but is convenient little synchronous motors in clocks transformer core materials depend on frequency airplanes use 400hz for less iron and weight in transformers higher frequencies conductors are hollow and silver plated or clad easier to synchronize generators if they are at the same frequency
What is a 400 hertz generator mean?
It's a generator that creates 400hz AC signals, instead of 50 or 60hz. 400hz is often used on ships, because the equipment (generators, transformers) can be made much smaller.
In a 3-phase high voltage star-star connection 140KVA transformer and load phase voltage is 115v and frequency is 400hz what is the total load current?
Maximum load current on a 140KVA, three phase transformer when the output voltage is 115 v phase to phase is: 140kva / sqrt (3) / 115 = 703 Amps. frequency does not matter here.
What is the frequency produced by a 4-pole generator rotating at 3600 rpm?
f=P*N/120 f=Frequency in Hz P= No. of Poles N=Rotor Speed in Revolution per minute(rpm) for P=4 and N=3600, f comes out to be 120 Hz. So frequency of voltage produced is 120 Hz. But this is not practical. Generally 4-Pole generator has N=1500rpm(for 50 Hz) or 1800rpm for 60 Hz. Two pole generator can have N=3600rpm(f=60Hz). The most practical situation is generator having N=3600Hz with 2 Poles. Hope It will be helpful!!!
