Electromagnetic Field Theory Find the length of a conductor which is moving with a velocity 0.4m/s in a magnetic field of 8T, inducing an emf of 20V. 0.5m. 0.6m. 5.25m. 6.25m. 0.5m. 0.6m. 5.25m. 6.25m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a linear electromagnetic circuit, which of the following statement is true? Co-energy is zero. Field energy is lesser than the co-energy. Field energy is equal to the co-energy. Field energy is greater than the co-energy. Co-energy is zero. Field energy is lesser than the co-energy. Field energy is equal to the co-energy. Field energy is greater than the co-energy. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main disadvantage of the two-hole directional coupler is High standing wave ratio Narrow bandwidth Low directional coupling Poor directivity High standing wave ratio Narrow bandwidth Low directional coupling Poor directivity ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The coils having self inductance of 10 mH and 15 mH have an effective inductance of 40 mH, when connected in series aiding. What will be the equivalent inductance if we connect then in series opposing? 10 mH. 0 mH. 5 mH. 20 mH. 10 mH. 0 mH. 5 mH. 20 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A Yagi antenna has a driven antenna With a reflector With a reflector and one or more directors Only With one or more directors With a reflector With a reflector and one or more directors Only With one or more directors 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 4 A / s. 64 A / s. 16 A / s. 32 A / s. 4 A / s. 64 A / s. 16 A / s. 32 A / s. ANSWER DOWNLOAD EXAMIANS APP