homework 7 vocab Flashcards
ammeter
a low impedance device used to measure current.
analog meter
meters that rely on a physical and mechanical pointer to employ a scale.
clamp on meter
a meter that has a movable jaw that can be put around a conductor.
D’Arsonval movement
a meter movement using two poles of a magnet.
galvanometer
a meter that measure very small amounts of current.
multirange meter
meter that can be set for more than one full range value.
bridge circuit
a circuit that consists of 4 sections connected in series.
voltmeter
an instrument used to measure voltage.
ohmmeter
a device used to measure resistance.
wattmeter
an instrument used to measure power.
oscilloscope
a volt meter that displays a wave form of voltage in proportion to its amplitude.
Wheatstone bridge
a circuit used to actually measure resistance.