What unit is used to measure the resistance of an electric current?

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Study for the Empire Beauty Schools Skin Care Test. Enhance your skills with multiple choice questions, each with hints and explanations. Prepare confidently for your exam!

Multiple Choice

What unit is used to measure the resistance of an electric current?

Explanation:
The unit used to measure the resistance of an electric current is the Ohm. It is defined as the amount of resistance that allows one ampere of current to flow when one volt of electrical potential is applied. This relationship is described by Ohm's Law, which states that voltage equals current times resistance (V = IR). Understanding resistance is crucial in skin care practices, especially when working with electrical devices like facial machines or lasers. Resistance affects how much current will flow through a circuit, which can impact the effectiveness and safety of such equipment.

The unit used to measure the resistance of an electric current is the Ohm. It is defined as the amount of resistance that allows one ampere of current to flow when one volt of electrical potential is applied. This relationship is described by Ohm's Law, which states that voltage equals current times resistance (V = IR). Understanding resistance is crucial in skin care practices, especially when working with electrical devices like facial machines or lasers. Resistance affects how much current will flow through a circuit, which can impact the effectiveness and safety of such equipment.

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