1
GATE ECE 2004
MCQ (Single Correct Answer)
+1
-0.3
Assuming VCesat=0.2V and β = 50, the minimum base current (IB) required to drive the transistor in the figure to saturation is GATE ECE 2004 Analog Circuits - Bipolar Junction Transistor Question 58 English
A
56 µA
B
140 mA
C
60 µA
D
3 mA
2
GATE ECE 2004
MCQ (Single Correct Answer)
+2
-0.6
A bipolar transistor is operating in the active region with a collector current of 1mA. Assuming that the 'β' of the transistor is 100 and the transconductance (gm) and the input resistance ($${r_\pi }$$) of the transistor in the common emitter configuration, are
A
gm = 25 mA/V and $${r_\pi }$$ = $$15.6\,\,k\Omega $$
B
gm = 40 mA/V and $${r_\pi }$$ = $$4.0\,\,k\Omega $$
C
gm = 25 mA/V and $${r_\pi }$$ = $$2.5\,\,k\Omega $$
D
gm = 40 mA/V and $${r_\pi }$$ = $$2.5\,\,k\Omega $$
3
GATE ECE 2004
MCQ (Single Correct Answer)
+2
-0.6
The value of 'C' required for a sinusoidal oscillation of frequency 1 KHz in the circuit of the figure is GATE ECE 2004 Analog Circuits - Oscillators Question 2 English
A
$${1 \over {2\pi }}\mu F$$
B
$$2\pi \,\mu \,F$$
C
$${{1 \over {2\pi \sqrt 6 }}^{}}\mu F$$
D
$$2\pi \,\sqrt 6 \,\mu F$$
4
GATE ECE 2004
MCQ (Single Correct Answer)
+1
-0.3
The circuit in the figure is a GATE ECE 2004 Analog Circuits - Operational Amplifier Question 72 English
A
low-pass filter
B
high-pass filter
C
band-pass filter
D
band-reject filter
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12