Alberta Boilers Safety Association (ABSA) Practice Test

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What is the unit of measure for capacitance?

Henry
Ohm
Mho
Farad

The correct answer is: Farad

The unit of measure for capacitance is the Farad. Capacitance is a measure of a capacitor's ability to store an electric charge per unit voltage. Specifically, one Farad is defined as the capacitance of a capacitor which, when charged with one coulomb of electric charge, results in a potential difference of one volt across its plates. This connection to electric charge and voltage is fundamental in the study of electrical circuits. The Farad is a relatively large unit, and in practical applications, capacitance values are often expressed in microfarads (µF), nanofarads (nF), or picofarads (pF), which are subunits of the Farad. Understanding capacitance and its unit of measure is crucial for anyone working with electrical systems or components where capacitors are used.