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The frequency of a sine wave can be thought of in several different ways:
-- watching the wave from one fixed point, the number of times the wave reaches its maximum amplitude
in one second, or the number of complete waves that pass you in one second
-- the speed of the wave, divided by the distance between two consecutive maximum points on it
-- the reciprocal of the time it takes for one complete wave to pass you (' 1 ' divided by that length of time)
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Why sine wave is unstable at low frequency?
The sine wave at low frequency is unstable because it can create strong currents that nobody can stop them from
Can you use a transformer to convert modified sine wave to pure sine wave?
we cannot use transformer because transformer cannot change frequency . . .
What is the period of a 250Hz sine wave?
The period is the reciprocal of the frequency, in this case, 1/250 second.
What is the frequency?
Frequency is defined as the number of cycles per minute. Ex: for a sine wave from " 0 to pi " is a cycle, and this repeats periodically within a interval of time. if frequency of a signal is 50Hz, then you can say that this signal repeats 50 time's a minute..
What is the function of modulator in a communication system?
Modulation is defined as a process by which any characteristics of a wave is varied as a function of the instantaneous value of another wave. The first wave which is a high frequency sine wave is known as carrier wave. Second wave is known as modulating wave and the resultant wave is known as the modulated wave.
