New Jersey State Board Esthetics Exam 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

What does High frequency or TESLA current produce?

Electricity from water

Red light from argon gas and heat

Violet-ray light from neon or argon gas and heat

High frequency or TESLA current produces violet-ray light from neon or argon gas along with heat. This is due to the properties of the gas used in the electrodes of the high-frequency machine. When the electrical current passes through the gas, it excites the gas molecules, resulting in the emission of light. Neon typically produces a striking orange-red glow, while argon emits a blue-violet light, contributing to the violet-ray effect referenced in the question.

Additionally, the heat generated during this process can promote better blood circulation and stimulate tissue regeneration, making it valuable in esthetics for treatments aimed at revitalizing the skin. This aligns with the use of high-frequency devices in various skincare procedures.

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Ultraviolet light from oxygen

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