Government Polytechnic 2010 Diploma in Hospital Management Electronics Network

Q.1 provide statement of Thevenin's Theorem. Prove it with necessary equations.
compute IL in the provided circuit using this theorem. See Figure (1)
14
Q.2 (a) What is resonance? Get the equations for current at resonance & the resonance
frequency for a series resonance circuit. describe bandwidth & selectivity. Draw
the frequency response curve for this circuit.
07
(b) discuss Low pass filter. Get the formula of 'Cutoff Frequency' for constant K
kind 'T' part. Draw & discuss the frequency response curve for this circuit.
07
OR
(b) Mention the disadvantages of constant K kind filters. In m derived filters what is
'm'? discuss composite filters.
07
Q.3 (a) Get the equations for transforming 'T' kind network into 'p' kind network. 07
(b) discuss the nodal analysis with an example. 07
OR
Q.3 (a) Design a symmatrical p network if R0 =600 ohms and D =40 dB. 07
(b) Get the formula for ZOT for a standard symmetrical T-network. 07
Q.4 (a) Get the general formula for voltage & current at any point on transmission line. 07
(b) discuss active High Pass Filter with needed equations. 07
OR
Q. four (a) discuss waveform distortions. Get the formula for condition for distortion less
line.
07
(b) Design a constant K High-pass Filter T & p part if Cutoff Frequency = 6
Khz & R0= 600 Ohms.
07
Q.5 (a) What is duality? discuss using a series R-L-C circuit & needed equations. 07
(b) discuss Kirchoff's current & voltage laws with examples. 07
OR
Q.5 (a) discuss mutual inductance & get the formula for coefficient of coupling. 07
(b) provide differences ranging from active & passive filters. 07

Earning:   Approval pending.