WorksheetsQuiz on Basic Electronics (#2)
Total questions: 20
Worksheet time: 10mins
What is the primary focus of electronics as a field of study?
Study of chemical reactions
Study of biological processes
Study of electrical components
Study of mechanical systems
Which of the following is NOT a component of electronics?
Transistor
Electron
Capacitor
Resistor
What is the maximum number of electrons in the L shell of an atom?
18
8
32
2
Which of the following materials is considered a good conductor?
Copper
Glass
Plastic
Rubber
What is the term for the outermost electrons in an atom?
Core electrons
Valence electrons
Noble electrons
Free electrons
What happens to the attractive force as the distance between protons and electrons increases?
It remains the same
It becomes repulsive
It increases
It decreases
What is the effect of doping on semiconductor materials?
No effect on conductivity
Increases conductivity
Makes them insulators
Decreases conductivity
What is the term for the energy required to move an electron from the valence band to the conduction band?
Energy gap
Conductivity gap
Potential barrier
Band gap
What type of semiconductor is created by adding trivalent impurities?
N-type
P-type
Intrinsic
Metallic
What is the primary function of a diode?
To store energy
To allow current to flow in one direction
To amplify signals
To measure voltage
What is the depletion region in a PN junction?
Area with no charge carriers
Area with excess electrons
Area with high conductivity
Area with low resistance
What is the role of free electrons in a conductor?
To create holes
To bond with protons
To carry electric current
To form covalent bonds
Which of the following describes a semiconductor?
Material with low conductivity
Material that does not conduct electricity
Material with conductivity between conductors and insulators
Material with high conductivity
What is the primary characteristic of an N-type semiconductor?
Equal number of holes and electrons
A lot of free electrons
So many holes
No free electrons
What is the voltage bias for silicon?
0.3V
0.7V
1.0V
1.5V
How many types of bias are in diode?
2
3
4
5
DC resistance can be computed using the following equation:
RD=IDVD
RD=VDID
VD=IDRD
ID=LDVD
What is VBV in diode?
Burn-down Voltage
Blunt-down Voltage
Break-down Voltage
Bleach-down Voltage
What is the Vτ for Germanium?
0.7
0.3
1.2
2.5
What electrical component is this?
Inductor
Transistor
Resistor
Diode
