Introduction to Electronics Quiz

What are the three main components of an electronic system?

• Input, Control, Output

• Input, Process, Output

• Input, Output, Storage

• Process, Output, Feedback

What is the melting point of electrical solder?

• 300ºC

• 180ºC

• 150ºC

• 250ºC

What is the primary function of a soldering iron?

• To measure voltage

• To cut wires

• To insulate wires

• To join components together

What type of current flows in one direction only?

• Direct Current (D.C.)

• Pulsating Current

• Alternating Current (A.C.)

• Static Current

What happens in a series circuit if one bulb burns out?

• Only that bulb stops glowing

• All bulbs continue glowing

• The circuit remains unaffected

• All bulbs stop glowing

What is the purpose of a resistor in a circuit?

• To amplify signals

• To store energy

• To reduce current flow

• To increase current flow

What is the unit of electrical current?

• Watts

• Volts

• Amperes

• Ohms

What type of switch allows current to flow when any single switch is closed?

• Series switch

• Parallel switch

• Single-pole switch

• Double-pole switch

What is the function of a diode in a circuit?

• To amplify signals

• To allow current to flow in one direction only

• To allow current to flow in both directions

• To store energy

What is the purpose of a multimeter?

• To measure resistance only

• To measure voltage only

• To measure current only

• To measure voltage, current, and resistance