$$\text { Figure } 19

Name: \[\text { Figure } 19 < 3\] -If R=56 $\mathrm { k } \Omega$ and C=0.05 $\mu \mathrm { F }$ in Figure 19-3, $\mathrm { fCO }$ equals_____ A) 568 Mz B) 56.8 Hz C) 3.0 Hz D) 300 Hz
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Question

$$\text { Figure } 19 < 3$$
-If  R=56  $\mathrm { k } \Omega$ and  C=0.05  $\mu \mathrm { F }$ in Figure 19-3, $\mathrm { fCO }$ equals_____
A) 568 Mz 
B) 56.8 Hz 
C) 3.0 Hz 
D) 300 Hz

Quizplus · Accepted Answer

The resonant frequency of an LC circuit is given by:$$f_0 = \frac{1}{2\pi\sqrt{LC}}$$Plugging in the given values, we get:$$f_0 = \frac{1}{2\pi\sqrt{(56	imes10^3\Omega)(0.05	imes10^{-6}F)}}$$$$f_0 = 568	ext{ Hz}$$Therefore, the correct answer is A.

Figure 19<3\text { Figure } 19 < 3 Figure 19<3 -If R=56 kΩ\mathrm { k } \OmegakΩ

$\text { Figure } 19 < 3$ -If R=56 $\mathrm { k } \Omega$