Basic Aircraft Maintenance Training Quiz

What is the primary function of a diode?

• To amplify signals

• To allow current to flow in one direction

• To store electrical energy

• To convert AC to DC

Which material is commonly used in semiconductor devices?

• Copper

• Silicon

• Aluminum

• Iron

What type of semiconductor is created by doping silicon with an element that has five valence electrons?

• P-type

• N-type

• Intrinsic

• Extrinsic

What is the typical forward voltage drop for a silicon diode?

• 1.5 volts

• 1.0 volts

• 0.7 volts

• 0.3 volts

What is the main characteristic of a transistor?

• It can amplify or switch electrical signals

• It is a type of resistor

• It stores electrical energy

• It can only conduct in one direction

What does the term 'forward bias' refer to in a diode?

• When the diode is off

• When the diode allows current to flow

• When the diode is reverse biased

• When the diode is in a neutral state

Which of the following is a characteristic of Light Emitting Diodes (LEDs)?

• They have a long warm-up time

• They are made of vacuum tubes

• They emit light when current flows through them

• They require high voltage to operate

What is the purpose of a rectifier diode?

• To amplify signals

• To convert AC to DC

• To store energy

• To regulate voltage

What is the role of the base terminal in a bipolar junction transistor?

• To emit electrons

• To provide power supply

• To control current flow between the emitter and collector

• To collect current

What happens in a reverse-biased PN junction?

• Current flows freely

• The depletion zone widens

• It acts as a short circuit

• The diode conducts