Electronic Components Quiz: Test Your Knowledge

Question 1

Which electronic component regulates the flow of electric current in a circuit?

Accepted Answer

Resistor

Answer

Capacitor

Answer

Transistor

Question 2

Which of the following is the primary function of a resistor in an electric circuit?

Accepted Answer

To regulate current flow

Answer

To store energy

Answer

To amplify signals

Answer

To convert AC to DC

Question 3

What is the primary function of a heat sink in electronic circuits?

Accepted Answer

Dissipating heat from electronic components

Answer

Storing electrical charge

Answer

Amplifying signals

Answer

Regulating current flow

Question 4

Which of the following is a type of integrated circuit (IC)?

Accepted Answer

Operational amplifier

Answer

Resistor

Answer

Capacitor

Answer

Diode

Question 5

Identify the passive electronic component that restricts the flow of current in a circuit.

Accepted Answer

Resistor

Answer

Capacitor

Answer

Transistor

Answer

Diode

Question 6

What is the unit of measurement used for capacitance?

Accepted Answer

Farad

Answer

Ohm

Answer

Henry

Answer

Ampere

Question 7

Which type of semiconductor device can act as both an amplifier and a switch?

Accepted Answer

Transistor

Answer

Resistor

Answer

Capacitor

Answer

Diode

Question 8

Identify the passive electronic component that stores electrical energy in an electric field.

Accepted Answer

Capacitor

Answer

Resistor

Answer

Transistor

Answer

Diode

Question 9

Which electronic component allows current to flow in one direction only?

Accepted Answer

Diode

Answer

Resistor

Answer

Capacitor

Answer

Transistor

Question 10

Identify the tool used to measure the resistance of a resistor.

Accepted Answer

Multimeter

Answer

Voltmeter

Answer

Ammeter

Answer

Capacitance meter

Question 11

What is the primary purpose of a resistor in a series circuit?

Accepted Answer

To control the flow of current

Answer

To store electrical energy

Answer

To amplify a signal

Answer

To protect the circuit from damage

Question 12

Which type of capacitor is commonly used in high-frequency applications?

Accepted Answer

Ceramic capacitor

Answer

Electrolytic capacitor

Answer

Tantalum capacitor

Answer

Film capacitor

Question 13

What is the main application of a transistor?

Accepted Answer

Amplification

Answer

Rectification

Answer

Filtering

Answer

Smoothing

Question 14

Which of these is NOT classified as an electronic component?

Accepted Answer

Battery

Answer

Resistor

Answer

Capacitor

Answer

Transistor

Question 15

Which of the following is NOT a type of electronic component?

Accepted Answer

Battery

Answer

Resistor

Answer

Capacitor

Answer

Transistor

Question 16

Which of the following is a passive electronic component that can resist the flow of current?

Accepted Answer

Resistor

Answer

Transistor

Answer

Diode

Answer

Capacitor

Question 17

What is the primary function of a capacitor in an electronic circuit?

Accepted Answer

To store electrical energy

Answer

To regulate current flow

Answer

To amplify a signal

Answer

To convert AC to DC

Question 18

Which type of diode is NOT included in the following list?

Accepted Answer

Power transistor

Answer

Signal diode

Answer

Zener diode

Answer

Light-emitting diode

Question 19

What is the main purpose of a resistor in an electronic circuit?

Accepted Answer

To control the flow of current

Answer

To store electrical charge

Answer

To amplify signals

Answer

To convert AC to DC

Question 20

Which of the following components is commonly used for filtering in electronic circuits?

Accepted Answer

Capacitor

Answer

Resistor

Answer

Inductor

Answer

Diode

Question 21

Which material is commonly used as a semiconductor in electronic devices?

Accepted Answer

Silicon

Answer

Copper

Answer

Aluminium

Answer

Gold

Question 22

What is the main function of an amplifier circuit?

Accepted Answer

To increase the amplitude of a signal

Answer

To reduce the current of a signal

Answer

To change the frequency of a signal

Answer

To invert the phase of a signal

Question 23

Which of the following is a PRIMARY function of a resistor in an electronic circuit?

Accepted Answer

To restrict the flow of current.

Answer

To store electrical energy.

Answer

To amplify electronic signals.

Answer

To convert alternating current (AC) to direct current (DC).

Question 24

What is the **SI unit** of measurement for capacitance?

Accepted Answer

Farads

Answer

Ohms

Answer

Henrys

Answer

Volts

Question 25

Which of the following materials is a **semiconductor**?

Accepted Answer

Silicon

Answer

Copper

Answer

Aluminium

Answer

Plastic

Question 26

What is the MAIN purpose of a diode in an electronic circuit?

Accepted Answer

To permit current to flow in only one direction.

Answer

To store electrical energy.

Answer

To amplify electronic signals.

Answer

To convert alternating current (AC) to direct current (DC).

Question 27

Which of the following is a typical application of a transistor in electronic circuits?

Accepted Answer

Amplifying signals

Answer

Storing data

Answer

Generating power

Answer

Converting alternating current (AC) to direct current (DC).

Question 28

What is the MAIN function of a voltage regulator in an electronic circuit?

Accepted Answer

To maintain a consistent voltage level.

Answer

To amplify electronic signals.

Answer

To store electrical energy.

Answer

To convert alternating current (AC) to direct current (DC).

Question 29

Which of the following is a characteristic of a diode?

Accepted Answer

Allows current to flow in one direction only (unidirectional).

Answer

High resistance

Answer

Low capacitance

Answer

High voltage drop

Question 30

What is the purpose of diodes in the rectification process?

Accepted Answer

To convert alternating current (AC) into direct current (DC)

Answer

To convert direct current (DC) into alternating current (AC)

Answer

To stabilize voltage

Answer

To eliminate noise

Question 31

Which type of resistor is specifically used to control the brightness of a light?

Accepted Answer

Variable resistor

Answer

Fixed resistor

Answer

Thermistor

Question 32

What is the primary function of a capacitor in an electronic circuit?

Accepted Answer

Stores electrical charge

Answer

Protects against overcurrent

Answer

Blocks direct current

Answer

Amplifies signals

Question 33

Which of the following is a key characteristic of a semiconductor device?

Accepted Answer

Controls electrical current flow

Answer

Insulates electrical components

Answer

Generates its own electrical current

Answer

Stores large amounts of energy

Question 34

What is the main purpose of a diode in an electronic circuit?

Accepted Answer

Allows current to flow in only one direction

Answer

Stores electrical energy

Answer

Amplifies signals

Answer

Controls the level of voltage

Question 35

What is the unit of measurement for capacitance?

Accepted Answer

Farad

Answer

Ohm

Answer

Siemens

Answer

Henry

Question 36

Which of the following is a type of capacitor commonly used in electronic circuits?

Accepted Answer

Ceramic capacitor

Answer

Diode

Answer

Resistor

Answer

Transistor

Question 37

What is the primary function of a transistor in an electronic circuit?

Accepted Answer

Amplifies electrical signals

Answer

Generates electrical current

Answer

Protects against overcurrent

Answer

Stores electrical energy

Question 38

What is the primary purpose of a thermistor?

Accepted Answer

Measures temperature changes

Answer

Controls the flow of current

Answer

Stores electrical energy