
A transistor- oscillator using a resonant circuit with an inductor (of negligible resistance) and a capacitor in series produce oscillations of frequency , If is doubled and is changed to , the frequency will be
Answer
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Hint :In order to solve this question, we are going to take the expression for the frequency for a transistor- oscillator and then, by finding the ratio of the two frequencies and , and putting the changes in the values of inductance and the capacitance , the frequency can be found in terms of .
The frequency for a transistor – oscillator is given by
The ratio of two frequencies and
Complete Step By Step Answer:
It is given in the question that a transistor- oscillator using a resonator circuit with an inductor (of negligible resistance) and a capacitor in series produce oscillations of frequency
We need to find the frequency when is doubled and is changed to
The frequency for a transistor – oscillator is given by
The ratio of two frequencies and
Putting the values of the inductance and capacitance,
Here is doubled and is changed to
Now, if we find the frequency in terms of the frequency
We get
Hence, option is the correct answer.
Note :
A transistor can be operated as an oscillator for producing continuous undamped oscillations of any desired frequency if oscillatory and feedback circuits are properly connected to it. The frequency here is the resonant frequency that depends upon the values of inductance and the capacitance.
The frequency for a transistor – oscillator is given by
The ratio of two frequencies
Complete Step By Step Answer:
It is given in the question that a transistor- oscillator using a resonator circuit with an inductor
We need to find the frequency when
The frequency for a transistor – oscillator is given by
The ratio of two frequencies
Putting the values of the inductance and capacitance,
Here
Now, if we find the frequency
We get
Hence, option
Note :
A transistor can be operated as an oscillator for producing continuous undamped oscillations of any desired frequency if oscillatory and feedback circuits are properly connected to it. The frequency here is the resonant frequency that depends upon the values of inductance and the capacitance.
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