TECHNICAL QUIZ PRELIMINARY ROUND 2

Identify the type of gate

• NOR gate

• OR gate

• NAND gate

• AND gate

The phase difference between the output and input voltages of a CE amplifier is ………………..

• 180

• 0

• 90

• 270

A single stage transistor amplifier contains ……………. and associated circuitry

• one transistor

• two transistor

• all the above

• none of the above

The point of intersection of d.c.  and a.c. load lines is called ……………..

• Saturation point

• Cut off point

• Operating point

• None of the above

The purpose of capacitors in a transistor amplifier is to ………………

• Protect the transistor

• Cool the transistor

• Couple or bypass a.c. component

• Provide biasing

Forbidden Energy gap (E_G) of a semiconductor in electronic devices depends on which of the following factors?

• Interatomic distance

• Material constant

• Electron affinity

• Recombination and Generation

Which of the following is true about Zener diode?

• It is lightly doped

• It is mostly used in voltage regulator electronic circuits

• It is used in forward bias

• It has avalanche breakdown

The output of OR gate is

• Y=A+B

• Y=A/B

• Y=A*B

• Y=B*A

Truth table signifies which gate

• NAND gate

• NOR gate

• OR gate

• AND gate

For an ideal diode which of the following is true?

• It allows the passage of current in the forward bias with zero potential drop across the diode

• It allows the flow of current in reverse bias

• All of the mentioned

• None of the mentioned