APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY Previous Years Question Paper & Answer

Course : B.Tech

Semester : SEMESTER 6

Subject : Comprehensive Exam

Year : 2018

Term : APRIL

Scheme : 2015 Full Time

Course Code : EC 352

Page:5





PDF Text (Beta):

V601 Pages: 6

542 5६2

50६... (1) 1A 102

a) 0.75A 0) 0.5൧ c) 1A 9) 1.54
32. The average power delivered to an impedance (4 — j3)Q by a current 5 cos (10071 + 100) A is

a) 44.2 7 b) 50 W c) 62.5 W 6) 125 W

33. A two port device is defined by the following pair of equations i:=2.vi+v2 and izx=2vi+v2,
its admittance parameters are (11, ೫12, ೫21, ೫22) are given by

a) [2,1,2,1] b) [1,2,2,1] ௦) [2,1,1,1| 0) [1,2,1,2 |

34. For the two port network shown in the figure ,the impedence (2 )matrix (in ६2) is

3042

a) 6 24 b) 9 8 0 9 6 d) 42 6
42 9 8 24 6 24 6 60
35. An integrator circuit is
a) Low pass filter 0) high pass filter c) band pass filter d) all pass filter
36. If a transistor is in saturation
8)10 = B 18 b) Ic > 3 18 €) Ic< 3 18 0) 10 = ए

37. Zener breakdown diodes have breakdown voltage which has

a) Has positive temperature coefficient. b) Has negative temperature
coefficient.
c) Is independent of temperature d) None of the above.

38. The type of negative feedback in a RC coupled amplifier without bypass capacitor is
a) Voltage series feedback. b) Current series feedback.

Page 5 of 6

Similar Question Papers