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WorksheetsElectro 2 PSW 2
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What is the primary function of a resistor?
a)
To store electrical energy
b)
To amplify electronic signals
c)
To oppose the flow of current and convert electrical energy into heat
d)
To allow current flow in only one direction
2.
What is the unit of measurement for resistance?
a)
Farad
b)
Henry
c)
Ohm
d)
Volt
3.
What is the primary function of a capacitor?
a)
To resist the flow of current.
b)
To store electrical energy in an electric field.
c)
To amplify or switch electronic signals.
d)
To oppose changes in electric current.
4.
What is the unit of measurement for capacitance?
a)
Ohm
b)
Henry
c)
Farad
d)
Volt
5.
What is the primary function of an inductor?
a)
To allow current flow in only one direction.
b)
To amplify electronic signals.
c)
To oppose changes in electric current.
d)
To store electrical energy in a magnetic field.
6.
What is the unit of measurement for inductance?
a)
Ohm
b)
Henry
c)
Farad
d)
Volt
7.
What is the function of a transistor?
a)
To store electrical energy
b)
To amplify electronic signals
c)
To oppose the flow of current and convert electrical energy into heat
d)
To allow current flow in only one direction
8.
What is the primary characteristic of a diode?
a)
To store electrical energy
b)
To amplify electronic signals
c)
To oppose the flow of current and convert electrical energy into heat
d)
To allow current flow in only one direction
9.
9. What is an LED (Light Emitting Diode)?
a)
A diode that blocks current flow.
b)
A diode that regulates voltage.
c)
A diode that emits light when current passes through it.
d)
A diode that allows current flow in both directions.
10.
What is the function of a Zener diode?
a)
To emit light when current passes through it.
b)
To allow reverse current flow at a specific voltage
c)
To rectify AC voltage to DC voltage.
d)
To switch electronic signals at high speeds.
11.
What is a notable feature of a Schottky diode?
a)
High forward voltage drop.
b)
Slow switching speed.
c)
Low forward voltage drop and fast switching speed.
d)
Ability to handle high currents.
12.
What is a potentiometer?
a)
A capacitor.
b)
A variable resistor
c)
An inductor.
d)
A transistor.
13.
What is an Integrated Circuit (IC)?
a)
A single transistor.
b)
A collection of discrete components.
c)
A miniaturized circuit on a semiconductor material.
d)
A type of resistor.
14.
What is the function of an amplifier in analog electronics?
a)
To filter unwanted components from signals.
b)
To increase the magnitude of electronic signals.
c)
To generate periodic, oscillating AC signals.
d)
To compare two voltages or currents.
15.
What is the purpose of a filter in analog electronics?
a)
To amplify electronic signals.
b)
To generate periodic, oscillating AC signals.
c)
To remove unwanted components from signals.
d)
To convert analog signals to digital signals.
16.
What is the role of an oscillator in analog electronics?
a)
To amplify electronic signals.
b)
To remove unwanted components from signals.
c)
To generate periodic, oscillating AC signals.
d)
To convert analog signals to digital signals.
17.
What is the function of a comparator in analog electronics?
a)
To amplify electronic signals.
b)
To filter unwanted components from signals.
c)
To generate periodic, oscillating AC signals.
d)
To compare two voltages or currents, outputting a digital signal indicating the larger one.
18.
What is the purpose of a voltage regulator in analog electronics?
a)
To amplify electronic signals.
b)
To filter unwanted components from signals.
c)
To generate periodic, oscillating AC signals.
d)
To maintain a constant voltage output.
19.
What does an Analog-to-Digital Converter (ADC) do?
a)
It converts analog signals into digital signals.
b)
To amplify electronic signals.
c)
To filter unwanted components from signals.
d)
It generates analog signals from digital signals.
20.
Which number system is NOT commonly used in digital electronics?
a)
Decimal
b)
Binary
c)
Octal
d)
Tertiary
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