NEW
Font size
WorksheetsDay 11 Inverters, Rectifiers, Semiconductors
Total questions: 24
Worksheet time: 15mins
Invertors convert:
What are the two types of aircraft inverters:
Static inverter has replaced the rotary inverter in most applications because:
Most semiconductors are made of:
Oxygen, nitrogen,
Silicon, germanium
Lead, mercury,
Aluminum, copper
Adding a small amount of impurities to semiconductor material is known as:
This type of semiconductor doping creates a excess of electrons:
N-Type
P-type
This type of semiconductor doping creates a "Hole" or deficiency of electrons:
N-type
P-type
This type of diode allows current to flow in both forward and reverse directions when the voltage reaches a specific threshold.
This schematic symbol represents:
LED
LCD
Varactor
This schematic symbol represents:
Half-wave rectifier and
full-wave rectifier
What are the three regions of the transistor:
True or False: Capacitors are used as filters
Inductors oppose change to____ while being used as a filter.
Materials which can conduct electricity better than insulator,but not as well as conductors. This is the definition of
diode
semiconductor
conductor
insulator
superconductor
In signal processing, a _________________ is a filter that passes most frequencies unaltered but attenuates those in a range to very low levels.
band-pass filter
band-stop or band rejection filter
high-pass filter
The _________________ is simply a variable-capacitance diode.
capacadode
LED
varactor
what is a diodes function
allows current to flow in one direction
allows current to flow in two directions
is a resistor
when a Diode is used as a half wave rectifier ....
It rectifies only one half of the input AC signal
It rectifies both the halves of the input AC signal
What electrical component is used to smooth half wave current signals?
Resistor
Diode
Capacitor
Voltage regulator
What is the unit of Electrical Power?
Joule
Watt
Where
Amp
What is the unit of electric current?
Volt
Ampere
Ohm
Watt
What is the main function of a diode in an electrical circuit?
Amplify signals
Regulate voltage
Allow current flow in one direction only
