# EC8351 Important 16 mark Questions Electronic Circuits 1

EC8351 Important 16 Mark Questions Electronic Circuits 1 Regulation 2017 Anna University free download. Electronic Circuits 1 Important 16 mark Questions EC8351 pdf free download.

## Sample EC8351 Important 16 mark Questions Electronic Circuits 1:

1 What is D.C. load line? How will you select the operating point, explain it using common emitter amplifier characteristics as an example? (13)
BTL 1
Remembering

2 Demonstrate the voltage divider biasing and calculate the stability factor for BJT. (13)
BTL 1
Remembering EC8351 Important 16 Mark Questions Electronic Circuits 1

3 For a BJT with a voltage divider bias circuit, find the change in Q-point with the variation in β when the circuit contains an emitter resistor. Let the biasing resistors be RB1=56kΩ, RB2=12.2kΩ, RC=2kΩ, RE=0.4kΩ, VCC=10V, VBE(ON)=0.7V and β=100. (13)
BTL 1
Remembering

4 With neat diagrams, how would you show two bias compensation techniques and state its advantages and disadvantages. (13)
BTL 1
Remembering EC8351 Important 16 Mark Questions Electronic Circuits 1

5 Relate the various methods of biasing using BJT in terms of their stability factors. (13)
BTL 2
Understanding

6 (i) Illustrate stability and thermal stability. (7)
(ii) Summarize the biasing FET switching circuits. (6)
BTL 2
Understanding

7 Interpret the circuit as shown in below. β =100 for this transistor. Calculate ???????????? for a given circuit. (13)

10 Analyze various techniques of stabilization of Q-point
in a transistor. (13)
BTL 4 Analyzing EC8351 Important 16 Mark Questions Electronic Circuits 1

11 Explain in detail about various methods of biasing
MOSFET. (13)
BTL 4 Analyzing

12 (i) Examine the circuit which uses the diode to
compensate for changes in Ico. Explain how
stabilization is achieved in circuit. (8)
(ii) Briefly examine the reason for keeping the
operating point of transistor as fixed. (5)
BTL 4 Analyzing EC8351 Important 16 Mark Questions Electronic Circuits 1

13 (i) Evaluate the importance of emitter stabilized
biasing with necessary circuit diagram? (5)
(ii) Determine IB, IC, VCE, VC, VB, VE and VBC For the
emitter bias network shown below, (8)

14 Design the circuit shown below with transistor parameters IDSS=12mA, Vp=-4V and λ=0.008V-1. Determine the small signal voltage gain Av=Vo/Vi.
(13)

 Subject name Electronic Circuits 1 Semester 3 Subject Code EC8351 Regulation 2017 regulation