1
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
The circuit of Fig. is an example of feedback of the following type GATE ECE 1998 Analog Circuits - Bipolar Junction Transistor Question 65 English
A
current series
B
current shunt
C
voltage series
D
voltage shunt
2
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
From a measurement of the rise time of the output pulse of an amplifier whose input is a small amplitude square wave, one can estimate the following parameter of the amplifier:
A
gain-bandwidth product
B
slow rate
C
upper 3-dB frequency
D
lower 3-dB frequency
3
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
In a series regulated power supply circuit, the voltage gain Av of the ‘pass’ transistor satisfies the condition:
A
$$A_v\rightarrow\infty$$
B
$$1\;\ll\;A_v\;\ll\;\infty$$
C
$$A_v\;\approx\;1$$
D
$$A_v\;\ll\;1$$
4
GATE ECE 1995
MCQ (Single Correct Answer)
+1
-0.3

A transistor having $$\alpha$$ = 0.99 and VBE = 0.7 V, is used in the circuit of the figure.What is the value of the collector current?

GATE ECE 1995 Analog Circuits - Bipolar Junction Transistor Question 66 English
A
5.32 mA
B
6.0 mA
C
6.5 mA
D
7.0 mA
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