Ham Radio General Class Practice Test 2025 – Complete Exam Prep

Question: 1 / 545

What unit of measurement is used for capacitance?

Hertz

Ohms

Farads

Capacitance is measured in Farads, which quantifies a capacitor's ability to store electrical energy in an electric field. One Farad is defined as the amount of capacitance that allows one coulomb of electric charge to create a potential difference of one volt across the capacitor. This measurement is crucial in electronics, as capacitance affects how components such as filters, timers, and oscillators operate in circuits.

The alternative units mentioned—Hertz, Ohms, and Watts—serve different purposes in electrical measurements. Hertz measures frequency, representing the number of cycles per second of a periodic signal. Ohms measure resistance, indicating how much a material opposes the flow of electric current. Watts measure power, representing the rate of energy transfer in an electrical circuit. Each of these units plays a significant role in understanding circuit behavior, but they do not apply to the measurement of capacitance.

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Watts

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