Q.1.
In the circuit, transistor has β =VBE=0.7V. Find the collector to emitter voltage drop hoe.
- a) 5V
- b) 3V
- c) 8V
- d) 6V
Q.2.
For the circuit shown, find the quiescent point.
- a) (6V, 1mA)
- b) (4V, 10mA)
- c) (10V, 3mA)
- d) (3mA, 10V)
Q.3.
For the circuit shown, find the quiescent point.
- 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.
- 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.
- 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