1
GATE ECE 1995
Fill in the Blanks
+1
-0
A power Amplifier delivers 50 W output at 50% efficiency. The ambient temperature is 25$$^\circ $$ C. if the maximum allowable junction temperature is 150 $$^\circ $$ C, then the maximum thermal resistance $${\theta _{Jc}}$$ that can be tolerated is
2
GATE ECE 1994
MCQ (Single Correct Answer)
+1
-0.3
A class-A transformer coupled, transistor power Amplifier is required to deliver a power rating of the transistor should not be less than.
A
5 W
B
10 W
C
20 W
D
40 W
3
GATE ECE 1993
MCQ (More than One Correct Answer)
+1
-0.3
In a transistor push-pull Amplifier
A
there is no d.c present in the o/p.
B
there is no distortion in the o/p.
C
there is no even harmonics in the o/p.
D
there is no odd harmonics in the o/p.
GATE ECE Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12