Electical Instrumets & Terms Flashcards
(33 cards)
Resistance Instrument
Resistors
Cable
-ohms-
Power
Wattmeter
Watts
Frequency
Speed of Electricity
Frequency Counter
U.K. Is 50 Hz
Currant
Flow
Amps
Voltage
Pressure
Volts
Energy
Electricity Meter
Kilowatt Hours
Impedance
L.C.R.
L-Inductive Reactance
C-Copassative Reactance
R-Resistivity
Earth Resistance Tester
Power Equation…?
P= V x I
Mass
Amount of matter in an object. If no change is made, the Mass will remain the same wherever.
Measured in Kilograms (Kg)
Weight
A force that’s measured in Newtons. (N)
Newton
A unit of Weight and Force
Relationship between Mass and Weight…?
Aside from the height above sea level, the weight acting on 1 Kg of Mass = 9.81 Newtons (N).
1 Kg weighs 9.81 N ( rounded up to 10 N)
Acceleration is described as…?
Increasing Velocity
Acceleration Equation
Acceleration = Distance/Time squared
Meters per second squared
Currant- Symbol and Abbreviation
I and A
Voltage - Symbol and Abbreviation
V and V
Resistance- Symbol and Abbreviation
R and Greek Omega Symbol
Resistivity- Symbol and Abbreviation
P and ohms/Meter cubed
Temperature- Symbol and Abbreviation
t and degrees Celsius
Mass-Symbol and Abbreviation
m and Kg
Force-Symbol and Abbreviation
F and N
Magnetic Flux- Symbol and Abbreviation
Zero with vertical line and Wb
Magnetic Flux Density-Symbol and Abbreviation
B and Wb/ meters squared
One Cycle-Symbol and Abbreviation
P and S