ECE :: Exam Questions Paper
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If the characteristic equation of a closed loop system is s2 + 2s + 2, then the system is :
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Given digits 2, 2, 3, 3, 3, 4, 4, 4, 4 how many distinct 4 digit numbers greater than 3000 can be formed?
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Consider circuit with 4 : 16 Demux below: Now:
- f1 =
(2, 6, 11, 12) - f2 = (2, 5, 14)
= p(2, 3, 4, 5, 9, 13, 14)
- f1 =
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The following circuit can be represented as :
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A two port network is described by the relation
V1 = 2I1 + 3V2
I2 = - I1 + 2V2
Then Z-parameter of such network is -
Calculate the stability factor and change in Ic from 25°C to 100°C for, β = 50, RB/RE = 250, ΔICO = 19.9 nA for emitter bias configuration
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In a radar system, the range of R1 is achieved at a frequency f1. Then the range R2 at frequency R2 = 8f1 would be __________ [Neglect effect of 1 on the Beam width.]
converges if and only if
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, |z| = 
< 1; 
< 1.
is
where s = 3.
(0, 1, 2, 3, 4, 5, 6, 7) 
.
R1 
.