Exam Questions and CORRECT Answers
What are inverters used for in some aircraft - CORRECT ANSWER - Convert DC to AC
Name two basic types of inverters - CORRECT ANSWER - Static inverter and Rotary
Inverter
- CORRECT ANSWER - A permanent magnet inverter is composed of a DC MOTOR and
a permanent magnet AC GENERATOR assembly.
Static inverters are considered smaller, more compact, and much lighter in weight than rotary
inverters. - CORRECT ANSWER - True
The two most common materials used for semiconductors are.. - CORRECT ANSWER -
Germanium and Silicon
Doping is the process by which small amounts of additives called impurities are added to the
semiconductor material to increase their current flow by adding a few... - CORRECT
ANSWER - Resistors or a few diodes
Semiconductor material is one that is doped with a donor impurity - CORRECT
ANSWER - N-type
Semiconductor material is one that is doped with an acceptor impurity - CORRECT
ANSWER - P-type
A device that transforms alternating current into direct current by limiting or regulating the
direction of current flow. - CORRECT ANSWER - Diode
, A three-terminal device primarily used to amplify signals and control current within a circuit. -
CORRECT ANSWER - Xsistor
Typical application for Zener diodes is as - CORRECT ANSWER - Voltage regulators
Forward biasing of a solid state device will cause the device to - CORRECT ANSWER -
Conduct
Which statement concerning the depicted logic gate is true? - CORRECT ANSWER - Any
input being 1 will produce a 1 output
In a functional and operating circuit, the depicted logic gate's output will be 0 - CORRECT
ANSWER - when one or more inputs are 0
The working voltage of a capacitor in an AC circuit should be - CORRECT ANSWER - At
least 50 percent greater than the highest applied voltage
The term that describes the combined resistive forces in an AC circuit is - CORRECT
ANSWER - Impedance
The basis for transformer operation in the use of alternating current is mutual - CORRECT
ANSWER - Inductance
The opposition offered by a coil to the flow of alternating current is called (disregard resistance)
- CORRECT ANSWER - Inductive reactance
An increase in which of the following factors will cause an increase in the inductive reactance of
a circuit? - CORRECT ANSWER - Inductance and frequency
In an AC circuit, the effective voltage is - CORRECT ANSWER - Less than the maximum
instantaneous voltage