Its 1 divided by time: 1/t
The pich of a sound is the perception of its freqency.
because it have no freqency
freqency distribution
Gets higher
central freqency of narrow band pass filter is the measure of difference between upper and lower cut off freqency
there is no difference.
For security reasons unable to provide.
its because the higher the freqency the lower the pitch
Number of poles and supply freqency determines speed of synchronous motor. For speed control of such motors Variable Freqency Drives(VFD) are used.
Wavelength shortens as frequendcy increases.
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Direct current (DC) never changes its direction of flow, so it has no frequency.