An AC Series Circuit Contains a Resistor of 20 $\Omega$ , an Inductor of 50 MH, and a Variable Capacitor

question 58

Multiple Choice

An AC series circuit contains a resistor of 20 $\Omega$ , an inductor of 50 mH, and a variable capacitor. If the frequency of the applied voltage is 500 Hz, to what setting should the capacitor be set if resonance is achieved?

• A) 2.4 µF
• B) 3.4 µF
• C) 2.0 µF
• D) 0.8 µF

---

Definitions:

Case Study

An in-depth analysis of a single subject, group, event, or situation to explore and understand its complexities in a real-life context.

Generalizability

The extent to which findings from a study can be applied to broader populations, settings, and times.

Construct Validity

The degree to which a test or instrument measures the theoretical construct it is intended to measure.

Face Validity

The extent to which a test or instrument appears to measure what it is supposed to measure, based on a superficial assessment.