Q.1
In the circuit, transistor has β =VBE=0.7V. Find the collector to emitter voltage drop hoe.
Questionelectronic-devices-circuits-questions-answers1.jpg
  • a) 5V
  • b) 3V
  • c) 8V
  • d) 6V
Q.2
For the circuit shown, find the quiescent point.
Questionelectronic-devices-circuits-questions-answers2.jpg
  • a) (6V, 1mA)
  • b) (4V, 10mA)
  • c) (10V, 3mA)
  • d) (3mA, 10V)
Q.3
For the circuit shown, find the quiescent point.
Questionelectronic-devices-circuits-questions-answers3.jpg
  • a) (10V, 4mA)
  • b) (4V, 10mA)
  • c) (10V, 3mA)
  • d) (3mA, 10V)
Q.4
In the circuit shown below, β =and VBE=0.7V. The Zener diode has a breakdown voltage of 6V. Find the operating point.
Questionelectronic-devices-circuits-questions-answers4.jpg
  • a) (6.7V, 5.3mA)
  • b) (5.7V, 5.3mA)
  • c) (6.7V, 5mA)
  • d) (6V, 5mA)
Q.5
When the β value is large for a given transistor, the IC and hoe values are given by_________
  • a) (VCC-VBE)/RB, VCC-RCIC
  • b) (VCC+VBE)/RB, VCC-RC(IC+IB)
  • c) (VCC+VBE)/RB, VCC+RC(IC+IB)
  • d) (VCC+VBE)/RB,VCC+RC(IC-IB)
Q.6
For the circuit shown, find the quiescent point.
Questionelectronic-devices-circuits-questions-answers6.jpg
  • a) (10V, 4mA)
  • b) (4V, 10mA)
  • c) (10V, 3mA)
  • d) (3mA, 10V)
Q.7
The PNP transistor when used for switching the power, then it is called_________
  • a) sourcing current
  • b) sinking current
  • c) forward sourcing
  • d) reverse sinking
Q.8
In which of the regions, the small capacitors are open circuited?
  • a) high frequency
  • b) medium frequency
  • c) low frequency
  • d) the region does not affect he capacitors
Q.9
In mid frequency region, the large capacitors are short and small capacitors are open circuited. What happens to the RC coupled circuit?
  • a) the circuit is now frequency blind
  • b) it is DC isolated
  • c) the circuit turns reactive
  • d) the circuit is AC dependent
Q.10
In low frequency region, the gain_________
  • a) increases
  • b) decreases
  • c) remains same
  • d) depends on value of capacitors
0 h : 0 m : 1 s