# What will the frequency be if the inductance is quadrupled

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An lc circuit oscillates at a frequency of 2000 Hz. What will the frequency be if the inductance is quadrupled?

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An LC circuits if formed by an inductor and a capacitor. The charge on the capacitor and the current through the inductor both vary sinusoidally with time. Also, energy is transferred between magnetic energy in the inductor and electrical energy in the  capacitor. But what happens with the frequency if the inductance is quadrupled? that is, if initially the inductance is and the frecuency if now What will the frequency be? Well, we know that the frequency, inductance and capacitance are related as:

and this equals 2000Hz. If now L is quadrupled:

Finally, if L is quadrupled the frequency is half the original frequency and equals 1000Hz

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