# basic mechanics, computer concept programming Document Preview: DC Circuit Analysis and Network Theo

basic mechanics, computer concept programming

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DC Circuit Analysis and Network Theorem
Question 1) (a) State & prove superposition theorem with taking an example. Mention its limitations.
Question 1) (b) What do you understand by the terms :- I) Active & passive N/W
II) Unilateral & bilateral elements
III) Linear & non linear n/w
IV) Ideal Current & Voltage sources
Question 2) State maximum power transfer theorem. For which type of circuit is it generally applied. Derive condition for maximum power transfer to a purely restive load.
Question 3) Derive the expressions for converting a delta network to a star equivalent network. Explain with example.
Question 4) Derive the expressions for converting a star network to a delta equivalent network.
KCL OR NODE VOLTAGE ANALYSIS:
Question:-(6) Using Nodal Analysis , Find the current through 10? resistance in given figure -2(UPTU-2004)
Question:-(7) Using Nodal Analysis , Find the current through all resistance in given figure?( UPTU- 2006)
Figure-1 Figure-2
Ans:- 0.775 A form V2 to V1 Ans:- 3A ( in 2?) from V2 to V1
Question:-(8) Using Nodal Analysis , Find the Voltage of V1 & V2 and current in 8? resistance in given figure?( UPTU- 2006)
Question :-(9) Use the node voltage method to solve the mesh current in the given figure? (UPTU-2001)

Figure-3 Figure-4
Ans:- V1=7.01V & V2= 3.53V Ans:- I1=-5.05A, I2= -2.05A, I3=15.3A
Question:-(10) Using Nodal Analysis , Find the current through all resistance in given figure-5 & Also find the Total power loss in the N/W? ( UPTU- 2002)
Question 11) Out of Mesh & Nodal analysis, which method will require least number of equations to solve the network in circuit-6. Write the equation in matrix form following the method requiring least effort? (UPTU-2004-05)
Figure-5 …

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