1. Which of the following is an even function of t.? (a) t 2 (b)t 2 – 4t (c)sin2t + 3t (d)t 3 + 6 2. “A periodic function" is given by a function which (a) Has a period T=2x (b) Satisfied f(t + T) = f(t) (c) Satisfied f(t + T) = - f(t) (d)Has a period T = a %3D 3. The Fourier Transform of the exponential signal ejw0t is (a) A constant (b) A rectangular gate (c) An impulse (d) A series of impulses 4. The capacitance per unit length and the characteristic impedance of a lossless transmission line are C and Z0 respectively. The velocity of a travelling wave on the transmission line is: (a) ZOC (b) 1/(ZOC) (c) Z0/C (d) C/ZO 5. A transmission line whose characteristic impedance is a pure resistance (a) Must be a lossless line (c) May not be a lossless line (b) Must be a distortion less line (d) May not be a distortion less line 6. When a transmission line has a load impedance same as that of the characteristic impedance, the line is said to be a) Parallel b) Perpendicular c) Polarized d) Matched 7 The leakage current in the transmission lines is referre

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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1. Which of the following is an even function of t.?
(a) t 2 (b)t 2 – 4t (c)sin2t + 3t (d)t 3 + 6
2. "A periodic function" is given by a function which
(a) Has a period T= 2n (b) Satisfied f(t + T) = f(t) (c) Satisfied f(t + T) = - f(t) (d)Has a
period T = a
3. The Fourier Transform of the exponential signal ejw0t is
(a) A constant (b) A rectangular gate (c) An impulse (d) A series of impulses
4. The capacitance per unit length and the characteristic impedance of a lossless transmission
line are C and Z0 respectively. The velocity of a travelling wave on the transmission line is:
(a) ZOC (b) 1/(ZOC) (c) Z0/C (d) C/ZO
5. A transmission line whose characteristic impedance is a pure resistance
(a) Must be a lossless line
(c) May not be a lossless line
(b) Must be a distortion less line
(d) May not be a distortion less line
6. When a transmission line has a load impedance same as that of the characteristic
impedance, the line is said to be
a) Parallel
b) Perpendicular c) Polarized d) Matched
7. The leakage current in the transmission lines is referred to as the
a) Resistance b) Radiation c) Conductance d) Polarization
8. Inverse Fourier Transform of u (@) is
(a)1/2 8(t) + 1/t (b) 1/2 8(t) (c) 28(t) + 1/t (d) 8(t) + sin (t)
9. The Fourier Transform of a real valued time signal has
a) Odd symmetry b) Even symmetry c) Conjugate symmetry d) Real
10.For the given periodic function:
for 0<ts2
for 2<ts 6.T = 6}
(2t
f(t) = {
%3!
The coefficient b;is :
a) -75.68 b) -7.568 c)-6.8968 d) – 0.7468
Transcribed Image Text:1. Which of the following is an even function of t.? (a) t 2 (b)t 2 – 4t (c)sin2t + 3t (d)t 3 + 6 2. "A periodic function" is given by a function which (a) Has a period T= 2n (b) Satisfied f(t + T) = f(t) (c) Satisfied f(t + T) = - f(t) (d)Has a period T = a 3. The Fourier Transform of the exponential signal ejw0t is (a) A constant (b) A rectangular gate (c) An impulse (d) A series of impulses 4. The capacitance per unit length and the characteristic impedance of a lossless transmission line are C and Z0 respectively. The velocity of a travelling wave on the transmission line is: (a) ZOC (b) 1/(ZOC) (c) Z0/C (d) C/ZO 5. A transmission line whose characteristic impedance is a pure resistance (a) Must be a lossless line (c) May not be a lossless line (b) Must be a distortion less line (d) May not be a distortion less line 6. When a transmission line has a load impedance same as that of the characteristic impedance, the line is said to be a) Parallel b) Perpendicular c) Polarized d) Matched 7. The leakage current in the transmission lines is referred to as the a) Resistance b) Radiation c) Conductance d) Polarization 8. Inverse Fourier Transform of u (@) is (a)1/2 8(t) + 1/t (b) 1/2 8(t) (c) 28(t) + 1/t (d) 8(t) + sin (t) 9. The Fourier Transform of a real valued time signal has a) Odd symmetry b) Even symmetry c) Conjugate symmetry d) Real 10.For the given periodic function: for 0<ts2 for 2<ts 6.T = 6} (2t f(t) = { %3! The coefficient b;is : a) -75.68 b) -7.568 c)-6.8968 d) – 0.7468
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