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GATE 2001 : Electronics And Communication Engineering

19 pages, 94 questions, 2 questions with responses, 2 total responses,

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For more files visit www.educationobserver.com/forum SECTION - A 1. This question consists of TWENTY-FIVE sub-questions (1.1 1.25) of ONE mark each. For each of these sub-questions, four possible alternatives (A,B, C and D) are given, out of which ONLY ONE is correct. Indicate the correct answer by darkening the appropriate bubble against the question number on the left hand side of the Objective Response Sheet (ORS). You may use the answer book provided for any rough work, if needed. 1.1 The voltage e0 in figure 1.1 is 4 2 (a) 2V + 4 V (b) 3 4 12V eO - 2 (c) 4V (d) 8V 1.2. If each branch of a Delta circuit has impedance equivalent Wye circuit has impedance. (a) 1.3. Z 3 3Z , then each branch of the (c) 3 3Z (b) 3Z (d) The transfer function of a system is given by H ( s ) = 1 s 2 ( s 2) Z 3 . The impulse response of the system is: (* denotes convolution, and U(t) is unit step function) (a) (t2 * e-2t)U(t) 1.4. (b) (t * e2t)U(t) (c) (te-2t)U(t) (d) (te-2t)U(t) The admittance parameter Y12 in the 2-port network in Figure 1.4 is (a) -0.2 mho 20 I1 (b) 0.1 mho I2 (c) -0.05 mho (d) 0.05 mho E1 5 10 E2 1.5. The region of convergence of the z-transform of a unit step function is (a) z >1 (c) (Real part of z) > 0 (b) z <1 (d) (Real part of z) < 0

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Additional Info : Solved GATE exam paper study guide - gate 2001 : electronics and comm. engg. free online question paper
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