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 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. to increase the stored energy at constant flux. to decrease the co-energy at constant mmf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In order to minimize loss due to hysteresis the magnetic material should have high resistivity. high hysteresis coefficient. large coercivity. small B-H loop area. high resistivity. high hysteresis coefficient. large coercivity. small B-H loop area. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is constant and field is varying then emf will be induced. This principle is called dynamically induced emf. static induced emf. virtually induced emf. None of these dynamically induced emf. static induced emf. virtually induced emf. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of 20 cm radius contains electrical charge of density 2/(r sinθ) c/m3. What is the total charge contained within the sphere? None of above. 0. 0.335/sinθ c. 0.335 C. None of above. 0. 0.335/sinθ c. 0.335 C. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 100 cm moves at right angles to a magnetic field of flux density 1.5 Wb/m2 with a velocity of 50 m/s. The induced emf in the conductor will be 75 V. 50 V. 37.5 V. 150 V. 75 V. 50 V. 37.5 V. 150 V. 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 BIL. BI2L. zero. BL2I. BIL. BI2L. zero. BL2I. ANSWER DOWNLOAD EXAMIANS APP
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