The energy of an oscillator decreases by 6.0% in one period.What is its Q factor?
A)105
B)78
C)150
D)94
E)17

Name: The energy of an oscillator decreases by 6.0% in one period.What is its Q factor? A)105 B)78 C)150 D)94 E)17
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Question

Quizplus · Accepted Answer

The Q factor of an oscillator is given by $Q = \frac{2\pi}{\text{fractional energy loss per cycle}}$. Here, the fractional energy loss per cycle is 6.0% or 0.06. Thus, $Q = \frac{2\pi}{0.06} \approx 105$.

The Energy of an Oscillator Decreases by 6