NCCER Electrical Module 3- Questions &
Answers
Ammeter Correct Ans-an instrument for measuring electric current.
Amperes (A) Correct Ans-The basic unit of measurement for electrical current, represented
by the letter A
Atoms Correct Ans-The smallest particles to which an element may be divided and still retain
the properties of the element.
Battery Correct Ans-A DC voltage source consisting of two or more cells that convert
chemical energy to electrical energy
Charge Correct Ans-A quantity of electricity that is either positive or negative.
Circuit Correct Ans-A complete path for current flow
Conductors Correct Ans-Materials through which it is relatively easy to maintain an electrical
current
, Coulomb Correct Ans-A unit of electrical charge equal to 6.25 x 1018 electrons( or 6.25
quintillion electrons). A coulomb is the common unit of quantity used for specifying the size of a
given charge.
Current Correct Ans-The movement, or flow, of electrons in a circuit. Current (I) is measured
in amperes
Electrons Correct Ans-Negatively charged particles That orbit the nucleus of an atom
Insulator Correct Ans-A material through which it is difficult to conduct an electric current.
Joule (J) Correct Ans-A unit of measurement for doing work, represented by the letter J. one
joule is equal to one newton-meter (Nm).
Kilo Correct Ans-A prefix used to indicate one thousands , one kilowatt is equal to one
thousand watts
Matter Correct Ans-any substance that has mass and occupies space
Mega Correct Ans-A prefix used to indicate one million; for example, one mega watt is equal
to one million watts
Neutrons Correct Ans-Electrically neutral particles that has the same mass as a proton and is
found in an atom's nucleus.
Answers
Ammeter Correct Ans-an instrument for measuring electric current.
Amperes (A) Correct Ans-The basic unit of measurement for electrical current, represented
by the letter A
Atoms Correct Ans-The smallest particles to which an element may be divided and still retain
the properties of the element.
Battery Correct Ans-A DC voltage source consisting of two or more cells that convert
chemical energy to electrical energy
Charge Correct Ans-A quantity of electricity that is either positive or negative.
Circuit Correct Ans-A complete path for current flow
Conductors Correct Ans-Materials through which it is relatively easy to maintain an electrical
current
, Coulomb Correct Ans-A unit of electrical charge equal to 6.25 x 1018 electrons( or 6.25
quintillion electrons). A coulomb is the common unit of quantity used for specifying the size of a
given charge.
Current Correct Ans-The movement, or flow, of electrons in a circuit. Current (I) is measured
in amperes
Electrons Correct Ans-Negatively charged particles That orbit the nucleus of an atom
Insulator Correct Ans-A material through which it is difficult to conduct an electric current.
Joule (J) Correct Ans-A unit of measurement for doing work, represented by the letter J. one
joule is equal to one newton-meter (Nm).
Kilo Correct Ans-A prefix used to indicate one thousands , one kilowatt is equal to one
thousand watts
Matter Correct Ans-any substance that has mass and occupies space
Mega Correct Ans-A prefix used to indicate one million; for example, one mega watt is equal
to one million watts
Neutrons Correct Ans-Electrically neutral particles that has the same mass as a proton and is
found in an atom's nucleus.
