Electromagnetic Field Theory For an inductor, current is proportional to voltage across the inductor. both (A) and (B). magnetic field. none of them. voltage across the inductor. both (A) and (B). magnetic field. none of them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of radius with a uniform charge density ρv C/m3 shall have electric flux density at radius “r = a” equal to aρv/4 C/m2. aρv C/m2. aρv/3 C/m2. ρv/3 C/m2. aρv/4 C/m2. aρv C/m2. aρv/3 C/m2. ρv/3 C/m2. 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 increase the stored energy at constant flux. to decrease the co-energy at constant mmf. to decrease the stored energy at constant flux. to decrease the stored energy at constant mmf. to increase the stored energy at constant flux. to decrease the co-energy at constant mmf. to decrease the stored energy at constant flux. to decrease the stored energy at constant mmf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz. True False True False ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is directly proportional to the distance between them. directly proportional to the square of the distance between them. inversely proportional to the square of the distance between them. inversely proportional to the distance between them. directly proportional to the distance between them. directly proportional to the square of the distance between them. inversely proportional to the square of the distance between them. inversely proportional to the distance between them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Whenever the magnetic flux changes with respect to an electric conductor or a coil, an EMF is induced in the conductor is Faraday’s fourth law third law second law first law fourth law third law second law first law ANSWER DOWNLOAD EXAMIANS APP