Ocean
What is constant in a parallel circuit?
Voltage
What is constant in a series circuit?
Current
What is true power measured in?
Watts
Inductive reactance is measure in?
Ohms
What is the symbol for inductive reactance?
XL
What is the symbol for reactive power in an inductor?
VAR's
Name the 5 Great Lakes
Huron, Ontario, Michigan, Erie, Superior
Frequency is measured in?
Hertz
In a resistive-inductive series circuit, which of these formula's is correct for finding Z?
1. Z=VA X Et
2. Z=Et X It
3. Z=R/VAR
4. Z=Et/It
4. Z=Et/It
What is the formula for finding inductive reactance?
2 x 3.1416 x f x L
The symbol XL stands for?
Inductive Reactance
Two inductors connected in series. One inductor is 400mH and the other is 900mH. What is the total inductance?
1.3H
What is the unit of inductance?
Henry's
Volt-amperes-reactive is used to measure the ______ in a pure inductive circuit?
Reactive Power
Power factor is a ratio of true power and _____?
Apparent Power
When a magnetic field continually changes magnitude and direction, a voltage is continually being induced into the coil. This voltage is called _____voltage?
Induced
To what is inductive reactance proportional to?
Inductance of the coil and the frequency
The total current limiting effect is called?
Impedance
What is the difference between a pond and a lake?
A pond is usually smaller and shallower than a lake.
What states border the Gulf of Mexico?
Florida, Alabama, Mississippi, Louisiana, and Texas
An inductor is connected to a 60Hz circuit. The inductive reactance is 55 ohms. What is the inductance of the inductor?
145.89 mH
Two inductors are connected in series to a 120V, 60Hz supply. The values of the inductors are 3H and 1.5H. What is total inductive reactance?
1696.5 Ohms
Three inductors connected in parallel. One inductor is 500mH, the second is 700mH, and the third is 650mH. What is the total inductance?
201.33mH
An inductor with an inductance of 5H is to be connected to a 60Hz circuit. What will the inductive reactance be?
1884.95 Ohms
An inductor is connected to a 120V, 60Hz supply. The current in the circuit is 3.2A. What is the inductive reactance?
37.5 Ohms