Electronic Components Quiz

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

• To store energy in an electric field

• To convert AC to DC

• To amplify signals

• To generate electricity

Which of the following materials is NOT commonly used as a dielectric in capacitors?

• Paper

• Plastic

• Wood

• Glass

What happens when there is a potential difference across the conductors of a capacitor?

• The capacitor discharges completely

• A static electric field develops across the dielectric

• The capacitor generates heat

• The dielectric material melts

Capacitors are graded according to their capacitance and what other factor?

• Color

• Size

• Operating voltage

• Weight

What is the primary function of a resistor in an electrical circuit?

• To store electrical energy

• To amplify electrical signals

• To implement electrical resistance

• To convert electrical energy to light

Which of the following is NOT a type of resistor based on composition?

• Carbon film

• Wire-wound

• Silicon chip

• Thick film

What is the purpose of the colored bands on a resistor?

• To indicate the resistor's size

• To show the resistor's power rating

• To identify the resistor's resistance value

• To display the resistor's brand

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

• To store electrical energy

• To allow current to flow in one direction

• To amplify electrical signals

• To convert electrical energy to light

What is the process called when a diode converts alternating current to direct current?

• Amplification

• Rectification

• Modulation

• Induction

What is the function of a light-emitting diode (LED)?

• To convert sound into light

• To emit light when an electric current passes through it

• To store electrical energy

• To amplify electrical signals