Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω. ω/4π. ω/2π. ω / π. ω. ω/4π. ω/2π. ω / π. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two spheres of radius r1 and r2 are connected by a conducting wire. Each of the spheres has been given a charge Q. Now larger sphere will have smalled potential. smaller sphere will have zero potential. larger sphere will have greater potential. both of sphere will have same potential. larger sphere will have smalled potential. smaller sphere will have zero potential. larger sphere will have greater potential. both of sphere will have same potential. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have both a and b. low hysteresis loss. high permeability. low permeability. both a and b. low hysteresis loss. high permeability. low permeability. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For DC voltage an inductor is virtually a open circuit. depends on polarity. short circuit. depends on magnitude of voltage. open circuit. depends on polarity. short circuit. depends on magnitude of voltage. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length L has current I passing through it, when it is placed parallel to strong magnetic field. The force experienced by the conductor will be BI2L. zero. BL2I. BIL. BI2L. zero. BL2I. BIL. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is varying and field is fixed then emf will be induced. This principle is called None of these both A and B. dynamically induced emf. static induced emf. None of these both A and B. dynamically induced emf. static induced emf. ANSWER DOWNLOAD EXAMIANS APP