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Lesson 7

AC theory

QuestionAnswer
In a DC circuit, what limits current flow? The resistance of the circuit
The opposition to current flow in an AC circuit caused by an inductor is called ____. inductive reactance
Inductive reactance is measured in ____. ohms
The reactance of an inductive circuit depends upon the ____ of the coil and the ____ of the circuit. inductance frequency
What is the symbol for inductance? L
Inductive reactance causes current to ____ the voltage by 90° electrical degrees. lag
As the frequency increases, the reactance ____ (increases/decreases). increases
If the inductance is increases, the reactance ____(increases/decreases). increases
Created by: SM76502
 

 



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