Engineering and Scientific Notation
Atoms/ Electrical
Charges
Molecules, Mixtures, Compounds
Voltage, Current, or Resistance
Conductors and Insulators
100
A _______ is equal to one-thousandth (1/1000) of an ampere.
What is a milliampere.
100
Electrical charge (Q) is measured in ____.
What is coulombs.
100
The chemical combination of two or more elements is called a(n) ____.
What is a compound
100
supplies electrons from one end of a conductor and removes them from the other end of the conductor
What is a voltage source
100
When a(n) ____ exists between two charged bodies connected by a conductor, electrons will flow along the conductor.
What is a difference of potential.
200
A ______ is equal to one-millionth (1/1,000,000) of an ampere.
What is a microampere.
200
The electrical charge (Q) carried by 6.24 x 1018 electrons represents one ____.
What is a coulomb.
200
An example of a compound is ____.
What is salt.
200
A(n) ____ represents the amount of current in a conductor when one coulomb of charge moves past a point in one second.
What is an ampere.
300
The relationship between current, electrical charge, and time is represented by the formula ____.
What is I=Q/t.
300
____________________ is the process of gaining or losing electrons.
What is ionization.
300
The unit of measurement for current flow is the ____.
What is the ampere.
300
The actual work accomplished in a circuit is a result of the ____ available at the two ends of a conductor.
What is the difference of potential.
400
Engineering notation expresses numbers between 10 and 1000 in powers of ten that are multiples of .
What is 3.
400
The number of protons in the nucleus of the atom is called the element’s ____.
What is an atomic number.
400
A(n) ____ is a substance that cannot be reduced to a simpler substance by chemical means.
What is an element.
400
The symbol ____ is used in electronics to represent voltage.
What is E.
400
Materials that have many free electrons and offer little resistance to current flow are called ____.
What are conductors.
500
notation expresses numbers between 0 and 10 in powers of ten.
What is scientific.
500
An atom having seven electrons in the valence shell is ____ conductive than an atom having three electrons in the valence shell.
What is less.
500
The two basic laws of ____________________ charges are that like charges repel each other and unlike charges attract each other.
What is electrostatic.
500
Current is measured in ____.
What is amperes.
500
A perfect insulator will have atoms with ____________________ valence shells.
What is full.
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