If the capacitance of a tuning circuit is doubled and inductance is halved then its frequency
Correct answer: D. remains the same
- A. doubles
- B. is quadrupled
- C. is halved
- D. remains the same
Explanation
The frequency of a tuning circuit is given by the formula f=1/2π(LC)1/2 , where L is the inductance and C is the capacitance.If the capacitance is doubled (2C) and the inductance is halved (L/2 ), then the frequency becomes: f′=1/2π(L/2⋅2C)^1/2=1/2π(LC)1/2 =fSo, the frequency doubles.
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Progressive waves transfer energy through oscillations, with wavelength, frequency, amplitude and wave speed related by v = fλ; sound speed depends on the medium. Superposition produces interference and stationary waves in strings and organ pipes, while simple harmonic motion describes the oscillation itself and must be distinguished from wave propagation.
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