L3 Advanced Beauty - Electrotherapy & Epilation Practice Questions - UK Level 3 Advanced Beauty Therapy - Electrotherapy & Epilation (VTCT) Exam

In electrical terms, what does the word 'polarity' refer to during a galvanic treatment?

The frequency of the current in hertz The positive or negative charge of an electrode The total resistance of the skin The voltage supplied by the mains

Correct Answer:

The positive or negative charge of an electrode

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