Diode

What are the three types of electronic materials?

• Conductor, Semiconductor, Metal

• Wood, Semiconductor, Insulator

• Conductor, Semiconductor, Insulator

• Conductor, Plastic, Metal

Which of the following is a good conductor material?

• Plastic

• Copper

• Wood

• Glass

What is the best and most widely used semiconductor material?

• Silicon

• Aluminum

• Carbon

• Gold

What is the barrier potential for a silicon diode?

• 0.5V

• 1.0V

• 0.3V

• 0.7V

In which condition of diode operation is no external voltage source applied?

• Zero Biased

• Reverse Biased

• Forward Biased

• High Biased

What is the majority carrier for the n-type semiconductor?

• Holes

• Electrons

• Protons

• Neutrons

When does a normal diode conduct?

• When in a vacuum

• When forward biased

• When no voltage is applied

• When reverse biased

The diagram shows a series circuit with a battery, a

resistor, and an silicone diode. If the current is 10 mA and forward voltage for diode is 0.7V. What is

the resistance value,R?

• 490

• 506

• 600

• 830

A circuit with a silicone diode, a 550 Ω resistor, and a power supply that forward biased the diode. If the diode with a voltage drop of

0.7 V has a current of 15.09 mA, what is the voltage of

the power supply?

• 7

• 8

• 9

• 10