LRC Series Circuits: a 120-V Rms Voltage at 1000 Hz

question 35

Multiple Choice

LRC series circuits: A 120-V rms voltage at 1000 Hz is applied to an inductor, a 2.00-μF capacitor and a 100-Ω resistor, all in series. If the rms value of the current in this circuit is 0.680 A, what is the inductance of the inductor?

• A) 34.2 mH
• B) 35.8 mH
• C) 11.4 mH
• D) 17.9 mH
• E) 22.8 mH

Distinguish between sample variance and population variance symbols and their applications.

Apply the correct chi-square values for interval estimation of variance.

Formulate null hypotheses for testing variance and standard deviation claims.

Identify the appropriate distribution (chi-square, F-distribution) for various statistical tests involving variances.

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