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ELECTRICITY. EPILATOR FUNCTIONS AND ADJUSTMENTS -

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

What is defined as the flow of electrons along a conductor?

a)

Electricity.

b)

The blend method.

c)

Rheostat.

d)

Ohm.

2.

Light, heat, and energy are produced by:

a)

An open circuit.

b)

A short circuit.

c)

A broken circuit.

d)

Electricity

3.

What is the unit of electrical strength?

a)

Volt

b)

Ampere

c)

Ohm.

d)

Watt.

4.

A substance which readily (easily) transmits an electric current is known as:

a)

Conductor.

b)

Non-conductor

c)

Insulator.

d)

Converter

5.

During a blend treatment the client is holding the:

a)

Electrodes.

b)

Anode pole

c)

Cathode pole.

d)

Alternating current.

6.

A substance which offers resistant to the passage of an electric current is known as:

a)

Insulator.

b)

Conductor.

c)

Converter.

d)

Rectifier.

7.

An electrode has to be:

a)

A non-conductor

b)

An insulator

c)

A rectifier

d)

A conductor.

8.

An electrical current flowing first in one direction and then in the opposite direction:

a)

Direct current

b)

Low frequency current

c)

Alternating current

d)

Galvanic current.

9.

An ion is any particle which have:

a)

The same quantity of electrons and protons.

b)

Different quantity of electrons and protons

c)

More protons than electrons

d)

More electrons than protons.

10.

Whenever an electrical current is diverted from its prescribed course so that a very great current flows; it is called:

a)

Short circuit

b)

Open circuit

c)

Broken circuit.

d)

Closed circuit

11.

An ampere is a unit of electrical:

a)

Pressure.

b)

Resistance

c)

Tension

d)

Strength.

12.

An Ohm is a unit of electrical:

a)

Strength

b)

Pressure

c)

Resistance.

d)

Tension.

13.

Which of the following is not a good conductor?

a)

Saliva

b)

Gold

c)

Silver

d)

Distilled water.

14.

The path or course through which a current can move:

a)

Direct current.

b)

Short circuit

c)

Open circuit

d)

Circuit.

15.

A molecule is:

a)

A cluster of ions.

b)

A particle with electrical charge.

c)

Any microscopic particle

d)

The smallest unit of matter into which a substance can be divided, without losing its basic properties.

16.

Galvanic action is basically:

a)

Cooking process.

b)

Electro-coagulation.

c)

A chemical process.

d)

Electro-desiccation.

17.

The indifferent electrode:

a)

Always will be positive (Anode)

b)

Always will be positive (Cathode).

c)

Always will be negative (Cathode).

d)

Will be positive or negative in accordance with the used modality

18.

. The point in the circuit at which chemical action can take place:

a)

Electricity

b)

Electrodes.

c)

Electric current

d)

Circuit

19.

. Ampere X (multiplied by) volt equals:

a)

Ohm.

b)

Joule

c)

Coulomb.

d)

Watt

20.

A very rapidly oscillating alternated current is:

a)

High frequency current

b)

Direct current.

c)

Galvanic current

d)

) Low frequency current.

21.

We call a circuit with a gap (without flow of current):

a)

Short circuit

b)

Close circuit.

c)

Open circuit.

d)

None of the above.

22.

Content only non-conductors of electricity:

a)

Sebum, dry wood, and our body

b)

Rubbers, carbon, and oxygen gas

c)

Distilled water, sebum, and oxygen gas.

d)

Our body, aluminum, and copper.

23.

Which one of the following statements about “electrical devices” is not true:

a)

Rectifier is used for changing AC to DC.

b)

Oscillator is used to change the electrical pressure

c)

Rheostat is used to regulate the intensity of the current

d)

Transformer is used to change the electrical voltage.

24.

The relationship between voltage, intensity of the current, and resistance is expressed by:

a)

Faraday’s laws

b)

Watt’s law

c)

Ohm’s law.

d)

Robot’s law.

25.

An instrument regulating the strength of an electric current:

a)

Polarity.

b)

Rectifier

c)

Rheostat

d)

Generator

26.

Electrons:

a)

Usually have more electrical charge than protons

b)

Usually have less electrical charge than protons

c)

Are found inside the nuclei of the atoms

d)

Are found in orbits around the nuclei of the atoms.

27.

The unit of electrical pressure which moves the electrons through the conductor is:

a)

Watt.

b)

Ohm

c)

Volt.

d)

Ampere

28.

The flow of electrons along a wire cannot occur unless there is:

a)

Water

b)

Moister

c)

Electrical pressure

d)

Electrical volume

29.

What is the unit for energy?

a)

Watt

b)

Joule.

c)

Ampere

d)

Volt

30.

According to Ohm’s Law, amperage is equal to voltage divided by:

a)

Watts

b)

Ohms

c)

Flow

d)

Volts

31.

The required third prong attached to an electrolysis machine’s plug is used as:

a)

Ground

b)

Insulator

c)

Conductor.

d)

Transformer.

32.

What is a device that step voltage up, or step voltage down of the alternating current?

a)

Oscillator

b)

Transformer.

c)

Converter.

d)

Filter.

33.

A milliampere is:

a)

1000 amperes.

b)

1/1000 of an ampere.

c)

1/10 of an ampere.

d)

10/10 of an ampere.

34.

Alternating current:

a)

Flows in one direction.

b)

Flows in interrupted pulses

c)

Flows in cycles.

d)

Flows from a battery.

35.

Electrons always flow from:

a)

Positive to negative

b)

Negative to negative

c)

Negative to positive

d)

Positive to neutral

36.

An electrical current used for its heat producing (thermal) effect is the:

a)

Low frequency current.

b)

Galvanic current.

c)

High frequency current

d)

Direct current.

37.

High frequency current has no polarity and therefore:

a)

Has no effect on tissue

b)

Produces no chemical effect.

c)

Is bi terminal

d)

Requires a timer.

38.

What is the unit of power?

a)

Volt

b)

Ampere.

c)

Ohm

d)

Watt

39.

The intensity of current is controlled by the:

a)

Rheostat

b)

Dial.

c)

Needle cord.

d)

Timer.

40.

A safety device made of material which quickly melts from too much current is:

a)

Circuit breaker.

b)

Fuse.

c)

Filter

d)

Rheostat.

41.

Which of the following is a device that regulates the strength of the current?

a)

Fuse

b)

Rheostat.

c)

Converter

d)

Filter

42.

Current that does not have a constant voltage or constant polarity is:

a)

Alternating

b)

Direct.

c)

Galvanic

d)

Chemical

43.

A device used to produce high frequency current is called:

a)

Transformer

b)

Oscillator.

c)

Rectifier.

d)

Filter.

44.

Electrolysis is accomplished by the use of the:

a)

Anode pole

b)

Cathode pole

c)

Positive pole

d)

Positive electrode

45.

The frequency units of cycle per second has been given the name:

a)

Current.

b)

Volt

c)

Hertz.

d)

Joule.

46.

The inactive electrode should be hold by the client if the Electrologist is using:

a)

Galvanic current.

b)

Short wave current

c)

High frequency current

d)

Low frequency current

47.

What is one-thousandth of an ampere?

a)

Milliampere

b)

Ampere

c)

Ohm

d)

Watt.

48.

The modern professional electrical equipments usually let you:

a)

Place them near the sink

b)

Handle them with your hands wet.

c)

Work with greater effectiveness

d)

Touch safely any metallic object while handling them

49.

A step up transformer:

a)

Increases voltage and increases amperage

b)

Increases voltage and decreases amperage

c)

Decreases voltage and increases amperage

d)

Decreases voltage and decreases amperage

50.

Which one of the following statements is not true?

a)

Anode is a positive pole and anion is a negative ion

b)

Anode is a positive pole and anion is a positive ion

c)

Cathode is a negative pole and cation is a positive ion

d)

Cataphoresis uses a positive pole.