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 mmf. to decrease the co-energy at constant mmf. to decrease the stored energy at constant flux. to increase the stored energy at constant flux. to decrease the stored energy at constant mmf. to decrease the co-energy at constant mmf. to decrease the stored energy at constant flux. to increase the stored energy at constant flux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a linear electromagnetic circuit, which of the following statement is true? Field energy is greater than the co-energy. Co-energy is zero. Field energy is equal to the co-energy. Field energy is lesser than the co-energy. Field energy is greater than the co-energy. Co-energy is zero. Field energy is equal to the co-energy. Field energy is lesser than the co-energy. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is varying and field is fixed then emf will be induced. This principle is called static induced emf. dynamically induced emf. None of these both A and B. static induced emf. dynamically induced emf. None of these both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is 3.2 mH. 3.2 µH. 3.2 H. 32 mH. 3.2 mH. 3.2 µH. 3.2 H. 32 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of the induced emf in a conductor depends upon on the amount of flux linkage. flux density of the magnetic field. amount of flux cut. rate of change of flux linkage. amount of flux linkage. flux density of the magnetic field. amount of flux cut. rate of change of flux linkage. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic material has a total flux B of 80 micro Wb with an mmf of 160 AT. The reluctance in ampere turn per weber is 2 × 108. 2 × 106. 2 × 10-6. 2 × 10-8. 2 × 108. 2 × 106. 2 × 10-6. 2 × 10-8. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS