Boomboom
One can accurately measure vibration frequency using a device called a frequency counter, which counts the number of vibrations per second. Another method is to use a smartphone app that can analyze and display the frequency of vibrations.
There are two ways of changing the speed of AC motors,by altering the frequency or the number of poles in the motor. An increase in frequency of the supply voltage to the motor will cause it's speed to increase while reducing the frequency will causes the motor speed to drop. This is the method exploited by Variable Speed/Frequency Drive. The second method of changing the number of motor's stator poles is the difficult. The manufacture must design the motor such that the number of the motor's pole in operation can be increased or reduced. Increasing the number of poles increases the stator flux density which decreases the speed. Decreasing the number of poles does the opposite. This method is typically found in two speed motors and it's rarely used compared to VSDs.
the answer is frequency. the answer is frequency.
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Frequency, which is measured in Hertz (Hz)
Class Frequency
Frequency
frequency
This is known as the frequency of the wave.
The frequency in a frequency table is the number of occurrences within each class width. The total frequency is the sum of all frequency's within all the classes.
There is not one.
Alleles Frequency