Electromagnetic Field Theory In order to minimize loss due to hysteresis the magnetic material should have large coercivity. high resistivity. small B-H loop area. high hysteresis coefficient. large coercivity. high resistivity. small B-H loop area. high hysteresis coefficient. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The right hand rule for determining the direction of the induced EMF was introduced by Fleming Lenz Maxwell Faraday Fleming Lenz Maxwell Faraday 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 RF inductor are characterized by high current rating and low resistance. high current rating and high resistance. low current rating and high resistance. low current rating and low resistance. high current rating and low resistance. high current rating and high resistance. low current rating and high resistance. low current rating and low resistance. 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. 0.477. 0.447. 0.577. 0.01. 0.477. 0.447. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is 600. 150. 450. 300. 600. 150. 450. 300. ANSWER DOWNLOAD EXAMIANS APP