SEMICONDUCTOR DEVICES QUIZ

Question 1: What is a diode?

• A semiconductor device that allows current to flow in one direction only

• A type of fruit

• A type of car

• A type of bird

Question 2: What is the symbol for a diode?

• O

• D

• X

• →

Question 3: What is the purpose of a diode?

• To block the flow of current completely

• To regulate the voltage in a circuit

• To allow current to flow in both directions

• To allow current to flow in one direction only

Question 4: Explain the structure of a diode.

• A diode is made of two metal plates separated by an insulator

• A diode has a p-n junction with a positive (p) and negative (n) semiconductor material.

• The structure of a diode consists of a single semiconductor material

• A diode is composed of a cathode and an anode

Question 5: Describe the V-I characteristics of a diode.

• Exponential decrease in current with forward bias and allowing of current in reverse bias

• No change in current with forward bias and blocking of current in reverse bias

• Linear increase in current with forward bias and blocking of current in reverse bias

• Exponential increase in current with forward bias and blocking of current in reverse bias