Delmar 16 - Inductance in an AC circuit
An inductor has an inductive reactance of 12 Ω, and a wire resistance of 16 Ω. What is the impedance of the inductor?
20 Ohms
Two inductors are connected in parallel to a 120-V, 60-Hz supply. The values of the inductors are 0.15 H and 0.225 H. The total amperage is _____.
3.54 A
Two inductors are connected in parallel to a 120-V, 60-Hz supply. The values of the inductors are 1.5 H and 2.5 H. The total inductive reactance is _____.
353.25 Ohms
An inductor has an inductive reactance of 64 Ω, and a wire resistance of 36 Ω. What is the impedance of the inductor?
73.4 Ohms
An inductor is connected to a 120-V, 60-Hz supply. The inductance in the circuit is 2.4 H. What is the inductive reactance?
904.8
The total current-limiting effect is called _____.
Impedance
Circuits are generally considered to contain _____ when any type of load that contains a coil is used.
Inductance
The symbol XL stands for _____.
Inductive Reactance
The current-limiting property of an inductor is called _____.
Reactance
The symbol for reactive power of an inductor is _____.
VAR's
The symbol for reactance is _____.
XL
In a pure inductive circuit, current _____.
lags the voltage by 90°.
An inductor is connected to a 240-V, 60-Hz supply. The current in the circuit is 5 A. What is the inductance of the inductor?
.127 H
Two inductors are connected in series to a 120-V, 60-Hz supply. The values of the inductors are 0.175 H and 0.255 H. The total circuit current is _____.
0.74 A
An inductor with an inductance of three henrys (H) is to be connected to a 60 Hz circuit. What will the inductive reactance be?
1131 Ohms