B.Tech E & T 3rd Sem

GROUP C: All Questions are Compulsory.Q.11 Fill in the blanks (each question carries 2 marks)(i) In electrical sense, the signal can be _______.(ii) If the signals are represented with respect to ______ as an independentvariable. It is called frequency domain representation.(iii) A ____ is a set of branches of graph of a network that do not contain anyloops.(iv) The path directly joining two nodes is called _____ .(v) ______ are the branches of the network & graph which are removed in orderto from a tree.Q.12 Multiple choice question. (Each question carries 2 marks)](i) Driving point impedance ( Z 11 ) is given by(a)I2V1(b)I1V1(c)(ii) Reverse transfer impedance ( Z 12 ) is given byVI12(d)VI11(a)I2V1(b)I1V1(c)(iii) Driving point admittance (y 11 ) is given by(a)I2V1(b)I1V1(c)(iv) Forward transfer admittance (y 21 ) is given by(a)I2V1(b)I1V1(v) Which of the following condition is not correct for symmetric networks.(a)Z11 Z22(b) Y11 = Y22(c) h 11 h 22 – h 12 h 21 = 1 (d) A DQ.13 True or false (each question carries 1 mark).(i) h11 is called short circuit input impedance.(ii) There is a definite relationship linking the number of branches and links of agiven network which is given by l = b – n + 1.(iii) Constant voltage source in S-domain is represented by V(s).(iv) Time dependent voltage source V = f(t) in S – domain is represented by V/S.(v) Constant current source I, in S-domain is represented by I/S.(c)VII12VI12V12(d)(d)(d)VII11VI11V11******