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1
GATE ECE 2001
MCQ (Single Correct Answer)
+1
-0.3
The current gain of a BJT is
A
$$g_mr_o$$
B
$$\frac{g_m}{r_o}$$
C
$$g_mr_\mathrm\pi$$
D
$$\frac{g_m}{r_\mathrm\pi}$$
2
GATE ECE 2000
MCQ (Single Correct Answer)
+1
-0.3
Introducing a resistor in the emitter of a common amplifier, stabilizes the dc operating point against variations in
A
only the temperature
B
only the β of the transistor
C
both temperature and β
D
none of the above
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 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 68 English
A
current series
B
current shunt
C
voltage series
D
voltage shunt
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GATE ECE Subjects
Signals and Systems
Representation of Continuous Time Signal Fourier Series Fourier Transform Continuous Time Signal Laplace Transform Discrete Time Signal Fourier Series Fourier Transform Discrete Fourier Transform and Fast Fourier Transform Discrete Time Signal Z Transform Continuous Time Linear Invariant System Discrete Time Linear Time Invariant Systems Transmission of Signal Through Continuous Time LTI Systems Sampling Transmission of Signal Through Discrete Time Lti Systems Miscellaneous
Network Theory
State Equations For Networks Network Elements Network Theorems Two Port Networks Transient Response Sinusoidal Steady State Response Network Graphs Miscellaneous
Control Systems
Signal Flow Graph and Block Diagram Time Response Analysis Compensators Basic of Control Systems Frequency Response Analysis Stability Root Locus Diagram State Space Analysis
Digital Circuits
Number System and Code Convertions Boolean Algebra Logic Gates Combinational Circuits Sequential Circuits Semiconductor Memories Logic Families Analog to Digital and Digital to Analog Converters
General Aptitude
Verbal Ability Logical Reasoning Numerical Ability
Electronic Devices and VLSI
PN Junction Semiconductor Physics IC Basics and MOSFET BJT and FET
Analog Circuits
Diodes Bipolar Junction Transistor Frequency Response FET and MOSFET Oscillators Operational Amplifier Feedback Amplifier Power Amplifier 555 Timer
Engineering Mathematics
Linear Algebra Calculus Vector Calculus Probability and Statistics Differential Equations Complex Variable Numerical Methods Transform Theory
Microprocessors
Instruction Set and Programming with 8085 Pin Details of 8085 and Interfacing with 8085
Communications
Fundamentals of Information Theory Noise In Digital Communication Analog Communication Systems Digital Communication Systems Random Signals and Noise
Electromagnetics
Maxwell Equations Transmission Lines Uniform Plane Waves Waveguides Antennas Miscellaneous
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