Welcome to your Electricity & Light
What is the correct order of the following colors in the visible spectrum?
When the movement or flow of electric current periodically reverses direction, it is:
A __________ is a device which has a wire or strip that melts when too much current flows, which interrupts the circuit in which it is connected
Which is true about a cathode?
The three types of electrically powered equipment used in a barber shop are either mechanical, thermal or:
_________ is delivered with the use of an electrode
Faradic current can produce _____ without a chemical effect
What is the process of using the positive electrode to force acidic solution to penetrate in to the skin without breaking the skin?
In physics, ________ is/are electro-magnetic waves in space
The SI unit of measuring the rate of flow of electric charge is the:
What is the correct order of the following colors in the visible spectrum
_________ softens and emulsifies sebum and waste in the follicles
A __________ changes alternating current to direct current
Which of the following is true regarding infra-red rays?
Which of the following should be done when installing a new fuse?
Which of the following applies to cataphoresis?
Tesla current therapy is believed to:
What does a volt measure?
Skin cancer can result from overexposure to
During _________, both the client and the barber need to wear protective eyewear during treatment
When water-soluble products are introduce into the skin by using electric current, the process is known as:
Which of the following is true regarding galvanic current electrotherapy?
Which of the following solar rays accelerate aging of the skin?
What does a higher amp signify?
What percentage of sunlight is made of visible light?
Which describes an insulator?
The flow of electric charge in a conductor such as a wire is:
Electromagnetic radiation is also known as:
Electrochemical effects happen when an electric current travels through a _______ conductor
Which of the following is true regarding grounding?
The electrical current measurement used during scalp and facial treatments is:
Which describes an anode?
The part of the electromagnetic spectrum which humans can view is known as:
The unit of measurement for how much electric energy is used in a second is named after James:
Tesl high frequency current is a thermal:
The Underwriters Laboratory (UL) Certification:
Heat, light, chemical and magnetic changes are produced by:
Electricity is the mobility and flow of _________ between atoms
A _________ is a device that controls or regulates the strength of the current used
The constant unidirectional and even flow of electrical charge is:
Electricity is a form of:
Which type of electrical effect do barbers experience from using electric clippers
Which type of current creates chemical changes by passing the current through special alkaline or acid solutions and/or passing the current through human body fluids of tissues?
_________ are an example of solid conductors
A wavelength with low frequency has:
Which type of light therapy will penetrate more than 2 inches into the body?
How many amps in the circuit does it take to operate appliance at 100 watts?
Which of the following are examples of liquid conductors?
Normally, electric wires are enclosed by a rubber material used for the purpose of insulation or for being a:
Which of the following has the longest wavelength within the visible spectrum of light
_________ is the distance at which ultraviolet rays should be applied
Which of the following can conduct an electric current?
Which of the following best describes a circuit breaker?
A device that transforms direct current to alternating current is a/an:
Which of the following is a unit of electrical resistance?
A ___________ can be used to break white light down into its individual wavelengths, or spectral colors
Current will not flow through a conductor unless the force is stronger than:
Which of the following is NOT an advantage of sinusoidal current over faradic current during scalp and facial manipulations?
