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1
GATE ECE 2017 Set 2
MCQ (Single Correct Answer)
+1
-0.3
An npn bipolar junction transistor (BJT) is operating in the active region. If the reverse bias across the base-collector junction is increased, then
A
the effective base width increases and common – emitter current gain increases
B
the effective base width increases and common – emitter current gain decreases
C
the effective base width decreases and common – emitter current gain increases
D
the effective base width decreases and common – emitter current gain decreases
2
GATE ECE 2016 Set 2
MCQ (Single Correct Answer)
+1
-0.3
The Ebers-Moll model of a BJT is valid
A
only in active mode
B
only in active and saturation modes
C
only in active and cut-off modes
D
in active, saturation and cut-off modes
3
GATE ECE 2016 Set 3
Numerical
+1
-0
The figure shows the I-V characteristics of a solar cell illuminated uniformly with solar light of power 100 mW/cm2. The solar cell has an area of 3 cm2 and a fill factor of 0.7. The maximum efficiency (in %) of the device is __________. GATE ECE 2016 Set 3 Electronic Devices and VLSI - BJT and FET Question 16 English
Your input ____
4
GATE ECE 2015 Set 3
MCQ (Single Correct Answer)
+1
-0.3
If the base width in a bipolar junction transistor is doubled, which one of the following statements will be TRUE?
A
Current gain will increase
B
Unity gain frequency will increase
C
Emitter base junction capacitance will increase
D
Early voltage will increase
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General Aptitude
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Network Theory
Network Elements State Equations For Networks Network Graphs Miscellaneous Sinusoidal Steady State Response Network Theorems Two Port Networks Transient Response
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Pin Details of 8085 and Interfacing with 8085 Instruction Set and Programming with 8085
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Discrete Fourier Transform and Fast Fourier Transform Discrete Time Signal Fourier Series Fourier Transform Continuous Time Signal Laplace Transform Fourier Transform Representation of Continuous Time Signal Fourier Series Transmission of Signal Through Continuous Time LTI Systems Miscellaneous Sampling Continuous Time Linear Invariant System Discrete Time Linear Time Invariant Systems Discrete Time Signal Z Transform Transmission of Signal Through Discrete Time Lti Systems
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Probability and Statistics Transform Theory Numerical Methods Calculus Differential Equations Linear Algebra Vector Calculus Complex Variable
Analog Circuits
Oscillators Operational Amplifier 555 Timer Diodes FET and MOSFET Power Amplifier Frequency Response Bipolar Junction Transistor Feedback Amplifier
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