flashcards
Scientific Notation
A system for representing numbers as a number between 1 and 10 times a power of ten.
Engineering Notation
A system for representing numbers as one-, two-, or three-digit numbers times a power of ten, where the exponent is a multiple of three.
Resistor
A device designed to provide resistance to the flow of electric current.
Capacitor
A device used to store electric charge, consisting of one or more pairs of conductors separated by an insulator.
Inductor
A component in an electric circuit that possesses inductance.
Transformer
An apparatus for reducing or increasing the voltage of an alternating current.
Semiconductor
A material that can act as a conductor under certain conditions and as an insulator under others.
Multimeter
An instrument used to measure electric current, voltage, and resistance.
Oscilloscope
A device for viewing electrical oscillations, displayed on a screen.
SI Unit of Length
The meter (m) is the SI unit of length.
SI Unit of Mass
The kilogram (kg) is the SI unit of mass.
SI Unit of Time
The second (s) is the SI unit of time.
SI Unit of Electric Current
The ampere (A) is the SI unit of electric current.
SI Unit of Temperature
The kelvin (K) is the SI unit of temperature.
Significant Digit
A digit known to be correct in a number.
Accuracy
An indication of the range of error in a measurement.
Precision
A measure of the repeatability of a series of measurements.
Current
The flow of electric charge, measured in amperes (A).
Power
The rate of doing work, measured in watts (W).
Error
The difference between the true value and the measured value.