# what is the frequency of DC ?

what is the frequency of DC ?

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## 1 Answer

### Answer :

Frequency of DC is zero.

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If input energy has a variable frequency, is it possible to have a stable DC output?
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One of the following is a possible cause of an abrupt frequency variation in a self exited transmitter oscillator circuits resulting to a poor frequency stability to hold a constant frequency ... ac heating of resistors which cause change in values C. Heating of capacitor in the oscillator

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