Delmar 16 - Inductance in an AC circuit

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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


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