Semester : SEMESTER 3
Subject : Network Theory
Year : 2019
Term : MAY
Scheme : 2015 Full Time
Course Code : EC 201
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B C1103 Pages: 3
PART C
Answer any two full questions, each carries20 marks.
7 8) Show that the overall Y parameter, of two 2-port networks when connected in (6)
parallel, is the sum of individual Y parameters of the two networks.
b) Determine the transmission parameters of the two port network given below. (9)
c) Define the terms (i) Characteristic impedance (11) Propagation Constant (5)
8 8) A series RLC circuit resonates at a frequency of 1500117 and consumes 75W power (10)
for 50४ ac source at resonant frequency. The bandwidth is 0.75kHz. Calculate R, L
and C. Also calculate the maximum current and half power frequencies.
b) Obtain the open circuit Z parameters of the network shown in figure. (10)
1 2೧ 4Q 22 2
1 +
9 ஐ Derive the expressions for (1) maximum output voltage and (14) maximum (12)
amplification factor for a single tuned circuit.
b) Find the drop across the capacitor. (8)
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