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| 1. |
A resistance R, inductance L and capacitance C are in series. The source frequency is adjusted to be equal to resonant frequency. The lower half power frequency is ω. Another resistance R is added in series with the circuit. The new lower half power frequency will be |
| Answer» As R increases, Q decreases, bandwidth = . Therefore, bandwidth increases. Hence lower half power frequency will be less than ωr. | |