1
GATE ECE 2014 Set 4
Numerical
+2
-0
Consider two BJT's biased at the same collector current with area A1 = 0.2 μm × 0.2 μm and
A2 = 300 μm × 300 μm. Assuming that all other device parameters are identical, kT/q = 26
mV, the intrinsic carrier concentration is 1 × 1010 cm-3, and q = 1.6 × 10-19 C, the difference
between the base-emitter voltages (in mV) of the two BJT's (i.e., VBE1 – VBE2) is___________.
Your input ____
2
GATE ECE 2014 Set 4
MCQ (Single Correct Answer)
+2
-0.6
For a right angled triangle, if the sum of the lengths of the hypotenuse and a side is kept constant, in order to have maximum area of the triangle, the angle between the hypotenuse and the side is
3
GATE ECE 2014 Set 4
MCQ (Single Correct Answer)
+1
-0.3
The series $$\sum\limits_{n = 0}^\infty {{1 \over {n!}}\,} $$ converges to
4
GATE ECE 2014 Set 4
Numerical
+1
-0
The magnitude of the gradient for the function $$f\left( {x,y,z} \right) = {x^2} + 3{y^2} + {z^3}\,\,$$ at the point $$(1,1,1)$$ is _________.
Your input ____
Paper analysis
Total Questions
Analog Circuits
6
Communications
5
Control Systems
5
Digital Circuits
4
Electromagnetics
4
Electronic Devices and VLSI
5
Engineering Mathematics
11
Microprocessors
1
Network Theory
6
Signals and Systems
7
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