Question

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 ω₁. Another resistance R is added in series with the circuit. The new lower half power frequency will be

a.

ω₁

b.

less than ω₁

c.

more than ω₁

d.

either more than ω₁ or less then ω₁

Answer: (c).more than ω₁

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Q. 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 ω₁. Another...

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