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NEET2006PhysicsSemiconductorsActual

A transistor-oscillator using a resonant circuit with an inductor L (of negligible resistance) and a capacitor C in series produce oscillations of frequency f . If L is doubled and C is changed to 4 C , the frequency will be:

Options

  1. Af / 2
  2. Bf / 4
  3. C7 10⁻²⁴
  4. D10⁻²²

Correct answer

D. 10⁻²²

Step-by-step solution

According to the question and aligned f & = 1 2 LC f^ & = 1 2 2 LC 4 ~V f^ & = 1 2 2 1 2 L C & = f 2 2 aligned

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