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# Deemed University 2009 A.M.I.E.T.E Electronics & Communication Engineering Mathematics-ii – et/cs/it (old scheme) - Question Paper

Tuesday, 30 April 2013 02:40Web

AMIETE – ET/CS/IT (OLD SCHEME)

Code: AE35/AC35/AT35 Subject: MATHEMATICS-II
Time: three Hours Max. Marks: 100

NOTE: There are nine ques. in all.
· ques. one is compulsory and carries 20 marks. ans to Q. 1. must be written in the space given for it in the ans book supplied and nowhere else.
· Out of the remaining 8 ques. ans any 5 ques.. every ques. carries 16 marks.
· Any needed data not explicitly given, may be suitably presumed and said.

Q.1 select the accurate or the best option in the following: (2 10)

a. Residue of at the point is

(A) one (B) –1
(C) 0 (D) 1/2

b. Real part of at all is:
(A) (B)
(C) (D)

c. where c is the left half of the unit circle traversed in the clockwise direction is

(A) –2i (B) i
(C) –i (D) 2i

d. The image of where w-plane under the mapping is

(A) 2u–1 = 0 (B) 2u+1 = 0
(C) 2v+1 = 0 (D) 2v–1 = 0

e. If , grad at the point (1, –2, –1) is

(A) (B)
(C) (D)

f. Curl is

(A) –i (B) j
(C) (D) –2i

g. If A is such that then is called

(A) Rotational (B) Irrotational
(C) Conservative (D) non Conservative
h. If then is_______ where

(A) one (B) ½