General Electronics Concepts Quiz

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

• Store electrical charge

• Oppose the flow of current

• Convert AC to DC

• Amplify electrical signals

Which of the following devices stores electrical energy in an electric field?

• Inductor

• Diode

• Capacitor

• Resistor

The ability of a material to allow electric current to pass through it is called:

• Resistance

• Conductance

• Capacitance

• Inductance

Which component allows current to flow in only one direction?

• Resistor

• Inductor

• Diode

• Transistor

Which of the following materials is an insulator?

• Copper

• Aluminum

• Graphite

• Rubber

Which of the following sources produces Direct Current (DC)?

• Generator

• Transformer

• Battery

• Alternator

AC current is commonly used in:

• Mobile phones

• Flashlights

• Household appliances

• Solar cells

The frequency of AC power supply in Ghana is:

• 50 Hz

• 60 Hz

• 75 Hz

• 100 Hz

The process of converting AC to DC is called:

• Rectification

• Amplification

• Modulation

• Demodulation

What is the main function of an inductor in a DC circuit?

• To store energy in a magnetic field

• To store energy in an electric field

• To convert AC to DC

• To regulate voltage