Biasing Parameters MCQ

Test your knowledge with important Biasing Parameters MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Biasing Parameters MCQs at Bissoy

• Which of the following statements are correct for basic transistor configurations?
  ক

  CB Amplifiers has low input impedance and low current gain

  খ

  CC Amplifiers has low input impedance and high current gain

  গ

  CE Amplifiers has very poor voltage gain but very high input impedance

  ঘ

  The current gain of CB Amplifier is higher than the current gain of CC Amplifiers
• A small signal source V(t)=Acos20t+Bsin10000t, is applied to a transistor amplifier as shown. The transistor has β=150 and hie=3KΩ. What will be the VO?
  ক

  1500(Acos20t+Bsin10000t)

  খ

  -150(Acos20t+Bsin10000t)

  গ

  -1500Bsin10000t

  ঘ

  -150Bsin10000t
• The voltage gain of given circuit below is_________
  ক

  100

  খ

  20

  গ

  10

  ঘ

  30
• For an NPN transistor connected as shown in below, VBE=0.7V. Give that reverse saturation current of junction at room temperature is 10-13A, the emitter current is_________
  ক

  30mA

  খ

  39mA

  গ

  29mA

  ঘ

  49mA
• A common emitter transistor amplifier has a collector current of 10mA, when its base current is 25µA at the room, temperature. What is input resistance?
  ক

  3kΩ

  খ

  5kΩ

  গ

  1kΩ

  ঘ

  7kΩ
• In a bipolar transistor at room temperature, the emitter current is doubled the voltage across its base emitter junction_________
  ক

  doubles

  খ

  halves

  গ

  increase by about 20mV

  ঘ

  decreases by about 20mV
• For the amplifier circuit of fig. The transistor has β of 800. The mid band voltage gain VO/VI of the circuit will be_________
  ক

  0

  খ

  <1

  গ

  =1

  ঘ

  800
• The current gain of BJT is_________
  ক

  gmro

  খ

  gm/ro

  গ

  gmri

  ঘ

  gm/ri