it is the frequency at which the current amplification drops 3dB below its low frequency value.
The beta cut off frequency is the frequency at which the current amplification of an amplifier transistor drops to three decibels below its value at 1 kilohertz. This is used in electronic engineering.
Because it has the lowest cut-off frequency (highest cut off wavelength) for a>b o
The relation between cut off frequency (fc) and band width is as follows: fc=Q*B.W where Q=(fL*fH)^1/2/(fH-fL) Q is quality factor. fL is low frequency. fH is high frequency.
yes it can have coz fc= c/2[(m/a)2+(n/b)2]1/2 therefore for various modes(which decide m,n) nd dimensions(a,b) of waveguide it will have different cut off frequency. A normal waveguide is used in the octave frequency range where only the fundamental mode can propagate.
A High Pass Filter is an Electronic Filter that passes high frequency signals but Attenuates (reduces the Amplitude ) of Signals with frequencies lower than the cut-off Frequency
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From lowest to highest frequency, Delta, Theta, Alpha and Beta
they are used in industries so to able you to work on particular frequency and cut the other for e.g if you are working for high frequency then low frequency will be cut and vise versa
The energy of the light is directly proportional to its frequency according to the equation E=hf, where E is energy, h is Planck's constant, and f is frequency. Therefore, if the frequency of light is cut in half, the energy of the light will also be halved.
Alpha waves occur in the brain when a person is relaxed and not actively thinking. They typically fall in the frequency range of 8-12 Hz and are often associated with a calm and meditative state.
the alpha particle will accelerate slower and follow a tighter/smaller spiral outward than the proton.
Alpha waves are a type of neural oscillation in the brain that occur at a frequency of 8-12 Hz. They are not particles but rather a characteristic of brain activity observed on electroencephalography (EEG) tests.
If the signal frequency exceeds the cut-off frequency in a waveguide, the wave will not propagate through the waveguide and will be attenuated. This is because the waveguide is designed to support only certain modes of propagation, and frequencies above the cut-off do not satisfy the waveguide's mode conditions. Instead, the signal will either reflect back or be absorbed, leading to a loss of signal strength.
The alpha state is a state of relaxed wakefulness with a slower brainwave frequency, usually occurring when a person is awake but relaxed. The beta state is a state of normal waking consciousness with a faster brainwave frequency, associated with alertness and focused mental activity.
Alpha, beta, and gamma are the main ones. Alpha is the ejection of alpha particles which are 2 protons plus 2 neutrons, which is a helium nucleus. Beta particles are electrons. Gamma radiation is EM radiation of very high frequency, beyond x-rays.
Cut off frequency is that frequency at which the power output of the circuit reduces to half of its power in pass band. Power (P)= Current2 X Resistance. so to reduce the power by half we need to reduce the current by 1/sqrt{2} = 0.707 = 3 db. So it's also called half power frequency. http://enter4joy.com
The beta cut off frequency is the frequency at which the current amplification of an amplifier transistor drops to three decibels below its value at 1 kilohertz. This is used in electronic engineering.