Electromagnetic Field Theory If a and b are the dimensions of waveguide then a = b/4 a = 3b a = 2b a = b a = b/4 a = 3b a = 2b a = b ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils are coupled in such a way that the mutual inductance between them is 20 mH. If the inductances of the coils are 40 mH and 50 mH respectively, the coefficient of coupling is 0.577. 0.01. 0.447. 0.477. 0.577. 0.01. 0.447. 0.477. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric dipole of moment P is placed in front of a ground sphere. The change induced on the surface of the sphere is (Assume radius of sphere = R and distance from dipole to centre of sphere = d) Zero. PR/d2. PR/d. PR 2/d3. Zero. PR/d2. PR/d. PR 2/d3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The developed electromagnetic force and or torque in electromechanical energy conversion system act in a direction that tends to decrease the stored energy at constant flux. to decrease the co-energy at constant mmf. to decrease the stored energy at constant mmf. to increase the stored energy at constant flux. to decrease the stored energy at constant flux. to decrease the co-energy at constant mmf. to decrease the stored energy at constant mmf. to increase the stored energy at constant flux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In H-plane metal plate lens the travelling wave front is Accelerated Retarded Neither accelerated nor retarded Totally retarded Accelerated Retarded Neither accelerated nor retarded Totally retarded ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be 16 A / s. 4 A / s. 64 A / s. 32 A / s. 16 A / s. 4 A / s. 64 A / s. 32 A / s. ANSWER DOWNLOAD EXAMIANS APP