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Old 14th December 2014, 10:04 AM
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Join Date: Apr 2013
Default Re: Technical Assistant (Electronics) LPSC Question Paper

As you want to get technical assistant (Electronics) LPSC ISRO Question Paper, so this exam selection is based on GATE score so here I am giving you electrical and communication question paper:

Which of the following propositions is a tautology ?

(a) (P V q) → P

(b) P V (q → P)

(c) P V (P →q) (Ans)

(d) P → (P →q)

If A be a finite set of size n, then number of elements in the power set of A x A is

(a) 22n

(b) 2n2 (Ans)

(c) (2n)2

(d) None of these

The number of different spanning trees in complete graph Kn, by Cayley's theorem is

(a) 2n-2

(b) nn-2 (Ans)

(c) nn-1

(d) None of these

If nPr = 3024, then what will be the value of r ?

(a) 3

(b) 4

(c) 6 (Ans)

(d) 9

If R(t) is the auto correlation function of a real, wide-sense stationary random process, then which of the following is not correct?

(a) R(t) = R(-t)

(b) |R(t)| ≤ R(0)

(c) R(t) = - R(-t) (Ans)

(d) The mean square value of the process is R(0)

The gain margin for the system with open loop transfer function

G(s) H(s) = 2 (1 + s) , is
s2
(a) ¥

(b) 0

(c) 1

(d) -¥ s (Ans)

For full question paper here is the attachment:

GATE -Electrical And Communication Engineering Question Paper





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