electrical 1 module 3 trade terms
.001 inch
a mil is equal to blank
relay
a(n) blank are electromechanical components used as switching devices
series circuit
a(n) blank has only one route for current flow
insulator
a(n) blank is a material through which it is difficult to conduct an electric current
ammeter
a(n) blank is an instrument for measuring electrical current
coulomb
a(n) blank is the common unit used for specifying the size of a given charge
circuit
a(n) is a complete path for current flow
schematic
a(n) is a drawing in which symbols are used to represent the components in a system
charge
a(n) is a quantity of electricity that is either positive or negative
motors, relays, transformers, and solenoids
an electrical device that operates on the principle of magnetism is a blank
resistor
blank are components that normally oppose current flow in a DC circuit
conductor
blank are materials through which it is relatively easy to maintain an electric current
electron
blank are negatively charged particles that orbit the nucleus of an atom
amp
blank are the basic unit of measurement for electrical current
watt
blank are the basic unit of measurement for electrical power
ohm
blank are the basic unit of measurement for resistance
volt
blank are the force required to produce a current of on ampere through a resistance of one ohm
atom
blank are the smallest particles of an element that will still retain the properties of that element
ohm's law
blank is statement of the relationship between current, voltage, and resistance in electrical circuit
voltage
blank is the driving force that makes current flow in a circuit
power
blank is the rate of doing work or the rate at which energy is used of dissipated
proton and neutron
both found in the nucleus of an atom, a blank is a electrically positive particle and blank are electrically neutral particles
battery
consisting of two ore more cells, a blank converts chemical energy into electrical energy
transformer
devices containing one or more coils of wire wrapped around a common core are called blank
solenoid
electromagnetic devices used to control a mechanical device such as a valve are called blank
through each of the loads is the same
in a parallel circuit, the voltage drops blank
current
measured in amperes, blank is the flow of electrons in a circuit
resistance
measured in ohms, blank is the electrical property that opposes the flow of current through a circuit
joule
one volt is the potential difference between two points for which one coulomb of electricity will do one blank of work
nucleus
the blank is the center of an atom
voltage drop
the change in voltage across a component is called blank
matter
the definition of blank is any substance that has mass and occupies space
ohmmeter
the instrument that is used to measure resistance is called a(n) blank
valence shell
the outermost ring of electrons orbiting the nucleus of an atom is known as the blank
mega
the prefix used to indicate one million is
kilo
the prefix used to indicate one thousand is
voltage tester
to make sure the voltage is turned off before touching any terminals use a blank
voltmeter
voltage is measured with a(n) blank
silicon
which of the following substances is considered a good semi-conductor
