Kaplan Nursing Entrance Practice Exam

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What is the unit of charge called?

Joule
Volt
Amperage
Coulomb

The correct answer is: Coulomb

The unit of charge is called the Coulomb. This is a fundamental unit in the International System of Units (SI), denoted by the symbol "C." One Coulomb is defined as the amount of electric charge that is transported by a constant current of one ampere in one second. It provides a clear measurement of the quantity of electricity and is crucial in the study of electricity and electrostatics. Understanding the Coulomb is essential as it relates to other electrical properties, such as current (measured in Amperes), voltage (measured in Volts), and energy (measured in Joules). This interrelation helps in comprehending how electric systems operate and how charge moves through circuits and conductors.