1
GATE ECE 1995
Fill in the Blanks
+1
-0
The circuit shown, the figure supplies power to on 8 v speaker or L.S. The vaLUES OF $${I_C}$$ and $${V_{CE}}$$ for this ciruit will be GATE ECE 1995 Analog Circuits - Power Amplifier Question 6 English
2
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
3
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
4
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.
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