Electromagnetic Field Theory Cork Screw rule is used to find direction of emf. direction of electric field. direction of current. direction of magnetic field. direction of emf. direction of electric field. direction of current. direction of magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following represents ohms law I = GV V = RI All of these J = σE I = GV V = RI All of these J = σE ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor is connected across a voltage source. Find the active power drawn by the inductor? maximum None of these 0 either 1 or 2 maximum None of these 0 either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of total electric flux coming out of a closed surface? Zero. Equal to volume change density. Equal to the surface charge density. Equal to total charge enclosed by the surface. Zero. Equal to volume change density. Equal to the surface charge density. Equal to total charge enclosed by the surface. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a single turn coil rotates in a uniform magnetic field at a uniform speed, the induced emf will be pulsating. none of these. steady. alternating. pulsating. none of these. steady. alternating. 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 stored energy at constant mmf. to decrease the co-energy at constant mmf. to decrease the stored energy at constant flux. to increase the stored energy at constant flux. to decrease the stored energy at constant mmf. to decrease the co-energy at constant mmf. to decrease the stored energy at constant flux. ANSWER DOWNLOAD EXAMIANS APP
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