JNTU exam papers B Tech Ist Sem Examinations,Basic electronics November 2008

JNTU, B.Tech I Semester ELECTRO MECHANICS-I,November 2008 (Electrical & Electronic Engineering) SET-2     1. (a) Show how mechanical energy output can be determined in the multiply excited non-linear system. (b) Two coils have self- and mutual- inductances of L11 = L22 = 2/(1+2x) = 2L12. Calculate time-average force and coil currents at x = … Read more JNTU exam papers B Tech Ist Sem Examinations,Basic electronics November 2008

JNTU, B.Tech I Semester ELECTRO MECHANICS-I,November 2008

JNTU, B.Tech I Semester ELECTRO MECHANICS-I,November 2008 (Electrical & Electronic Engineering) SET-4   1. (a) Explain the principle of energy conversion of electromechanical system. (b) Derive an expression for the energy stored in a magnetic field system.   2. The armature core of a 4-pole d. c. machine has 31 slots each designed to accommodate … Read more JNTU, B.Tech I Semester ELECTRO MECHANICS-I,November 2008

JNTU, B.Tech I Semester ELECTRO MECHANICS-I,November 2008

JNTU, B.Tech I Semester ELECTRO MECHANICS-I,November 2008 (Electrical & Electronic Engineering) SET-3     1. (a) Show how mechanical energy output can be determined in the doubly excited system in the linear magnetic system. (b) A doubly excited magnetic field system has coil self and mutual inductances of L11 = L22 = 2, L12 = … Read more JNTU, B.Tech I Semester ELECTRO MECHANICS-I,November 2008