Exam 12: Inductance in Alternating Current Schedules

When inductors are connected in ____________________, the total inductance of the circuit equals the sum of the inductances of all the inductors.

Although not considered in the circuit calculations of most circuits, inductance is considered in the circuit calculations of circuits that contain motors, transformers, lighting ballast, and chokes that all contain ____________________ of wire.

To compute the value of impedance for the coil, the inductive reactance and the resistance must be ____.

The total current-limiting effect of the inductor is a combination of the inductive reactance and the resistance, and is called ____________________.

The Q of a circuit stands for its ____________________.

the symbol for impedance is the letter ____.

A(n) ____________________ voltage is always opposite in polarity to the applied voltage.

If three inductors, all with a value of 3 H, are connected in parallel, the total inductance of the circuit would be ____________________ H.

VARs is equal to the amount of ____________________ flowing through an inductive circuit times the voltage applied to the inductive part of the circuit.

To determine the Q of an inductor, divide the inductive reactance by the ____.

VARs is an abbreviation for ______________________________.

____________________ is one of the primary types of loads in alternating current circuits because of the continually changing magnetic fields.

In a parallel circuit, the reciprocal of the total ____________________ is equal to the sum of the reciprocals of all the inductors.

If an inductor with an induced voltage of 106 V is connected to a 120-volt AC line, there will be ____________________ volts to push current through the wire resistance of the coil.

The amount of resistance compared with the inductive reactance determines the ____ of the coil.

When magnetic lines of flux cut through a coil, a(n) ____________________ is induced in the coil.

The total inductive reactance of inductors connected in ____________________ equals the sum of the inductive reactances for all the inductors.

In a pure inductive circuit, no ____ is (are) produced.

If two inductors, with values of 2 H and 3 H, are connected in parallel, the total inductance would equal ____ H.

Although essentially no true power is being used, an electrical instrument called VARs is used to measure the ____ in a pure inductive circuit.