Deck 2: Basic Electrical Theory

Question 1

Producing electricity with heat is referred to as the ____ effect.

A) photon
B) piezoelectric
C) Seebeck
D) static

Answer 1

C

Question 2

Producing electricity from light involves the use of particles called ____.

A) photons
B) neutrons
C) protons
D) electrons

Answer 2

A

Question 3

____ is the best natural conductor of electricity.

A) aluminum
B) copper
C) gold
D) silver

Answer 3

D

Question 4

The atomic number of an element is the same as the number of ____ in the nucleus.

A) neutrons
B) protons
C) neutrons and protons

Question 5

____ can be produced when electrons move from one energy level to another.

A) Protons
B) Photons
C) Neutrons
D) Matter

Question 6

The production of electricity by pressure involves the striking, bending, or twisting of certain crystals that is referred to as the ____ effect.

A) photon
B) piezoelectric
C) Seebeck
D) static

Question 7

Rubber, wood, plastic, and glass are good examples of ____ materials.

A) conductive
B) neutral
C) insulator
D) valence

Question 8

Any electrons located in the outer shell of an atom are known as ____ electrons.

A) orbital
B) valence
C) neutral
D) mass

Question 9

A ____ is generally made from material that contains one or two valence electrons.

A) insulator
B) resistor
C) conductor
D) element

Question 10

Electrical ____ is the flow of electrons.

A) current
B) resistance
C) volts
D) watts

Question 11

The maximum number of electrons that can be contained in any orbit is ____.

A) 4
B) 16
C) 28
D) 32

Question 12

____ are massless particles of pure energy.

A) Electrons
B) Neutrons
C) Photons
D) Protons

Question 13

Which of the following would be considered a good electrical insulator?

A) platinum
B) copper
C) wood
D) iron

Question 14

The most common method of producing electricity is ____.

A) chemical
B) heat
C) light
D) magnetism

Question 15

The Greeks called amber ____, because of its ability to attract lightweight materials when rubbed with different materials.

A) electric
B) positive
C) attraction
D) elektron

Question 16

The number of ____ in the nucleus determine what kind of element an atom is.

A) protons
B) neutrons
C) protons and neutrons

Question 17

Which of the following is an example of a good conductor of electricity?

A) plastic
B) aluminum
C) wood
D) rubber

Question 18

A(n) ____ is a substance that cannot be chemically divided into a simpler substance.

A) molecule
B) element
C) atom
D) matter

Question 19

A ____ charge is formed by an excess of electrons.

A) positive
B) negative
C) neutral
D) unidirectional

Question 20

A basic law of physics states that a spinning object will pull away from its center point and that the faster it spins, the greater the ____ force becomes.

A) attractive
B) centrifugal
C) positive
D) electrical

Question 21

The basic building block of the universe is the ____________________.

Question 22

The three principal parts of an atom are the ____________________, the ____________________, and the ____________________.

Question 23

Materials containing seven or eight valence electrons are known as ____________________.

Question 24

A charge formed by a lack of electrons is said to be ____________________.

Question 25

The neutron and the proton of an atom combine to form the ____________________.

Question 26

____________________ is any substance that has mass and occupies space. It can exist as a solid, liquid, or a gas.

Question 27

One of the basic laws of physics states that opposite charges ____________________ and like charges ____________________.

Question 28

Alternating current is ____________________, which means it reverses its direction of flow at regular intervals.

Question 29

Direct current is ____________________, which means that it flows in only one direction.

Question 30

The force that exists between two objects that contain like electrical charges is called ____________________.