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Cosmetology 4: Electricity

Electricity

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Question 1 of 19

The movement of electricity along a conducter is called

A

voltage

B

Wattage

C

Conductance

D

Electric Current

Question 2 of 19

Since silver and copper transport electricity easily, they are called:

A

insulators

B

conductors

C

Electrons

D

closed circuits

Question 3 of 19

An ampere is a unit of electric :

A

pressure

B

strength

C

resistance

D

frequency

Question 4 of 19

A volt in a unit of electric :

A

pressure

B

strength

C

frequency

D

resistance

Question 5 of 19

What protects people from getting shocked by electric current? 

A

metals

B

conductors

C

insulators

D

graphite materials

Question 6 of 19

material that best transports electricity is called a(n) : 

A

insulator

B

conductor

C

prism

D

watt

Question 7 of 19

A unit of electrical resistance is called a(n) :

A

ohm

B

watt

C

volt

D

insulator

Question 8 of 19

A measure of how much electrical energy is being used is called a(n) : 

A

ohm

B

watt

C

volt

D

ampere

Question 9 of 19

Electric current that flows first in one direction and then the other is called :

A

direct

B

alternating

C

galvanic

D

incadescent

Question 10 of 19

The two forms of electrical current are: 

A

AC & DC

B

AD & BC

C

AB & CD

D

hot & cold

Question 11 of 19

Fires in electrical circuits can occur if :

A

the circuit is open

B

there is a closed path , called a circuit

C

the circuit breaker is manually turned to the off position

D

too many appliances use the same wall socket and overload the circuit

Question 12 of 19

If someone comes in contact with an electric current, you can break the circuit carrying the power by : 

A

turning off the fuse box or circuit breaker

B

grabbing the appliance causing the shock

C

unplugging the appliance using your bare hands

D

knocking the person out of the way using your bare hands

Question 13 of 19

Using electric clippers in cosmetology work would be an example of which kind of electrical effect?

A

heating

B

mechanical

C

electrochemical

D

electrochemical and heating

Question 14 of 19

Electric current in a conductor causes heat by : 

A

creating an open circuit

B

decreasing the watts used

C

increasing the resistance in the line

D

decreasing the resistance in the line

Question 15 of 19

Which electrotherapy treatment can cause sebum to be broken down or blackheads to be liquified as in deep-pore cleansing?

A

sinusoidal

B

anaphoresis

C

cataphoresis

D

desincrustation

Question 16 of 19

Which type of light can create blue or cool tones?

A

sunlight

B

invisible

C

flourescent

D

incandescent

Question 17 of 19

What light creates the closest substitute for natural sunlight?

A

red

B

flourescent

C

incandescent

D

violet

Question 18 of 19

Small doses of ultraviolet light may help the body produce : 

A

Vitamin A

B

Vitamin B

C

Vitamin C

D

Vitamin D

Question 19 of 19

Overexposure to which type of light can result in skin cancer?

A

visible

B

ultraviolet

C

fluorescent

D

Incancdescent

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