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 Fleming's right hand rule may be applied to an electric generator to find out the direction of None of these induced emf. magnetic field. rotor rotation. None of these induced emf. magnetic field. rotor rotation. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The potential that appears at a point in space due to the current which caused it is called potential Lagging the current Retardation Accelerating Oscillating Lagging the current Retardation Accelerating Oscillating ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is zero in relation to electromagnetic fields? Grad div A. Curl curl A. Div curl A. Div grad V. Grad div A. Curl curl A. Div curl A. Div grad V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular ring is carrying uniformly distributed charge q and a point charge – Q on the axis of the ring. The magnitude of dipole moment of the charge system is (Assume distance between centre of ring and point charge is d and radius of ring R) QR2/d. Q√(R2 + d2). QD. QR. QR2/d. Q√(R2 + d2). QD. QR. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The coils having self inductance of 10 mH and 15 mH have an effective inductance of 40 mH, when connected in series aiding. What will be the equivalent inductance if we connect then in series opposing? 20 mH. 0 mH. 5 mH. 10 mH. 20 mH. 0 mH. 5 mH. 10 mH. ANSWER DOWNLOAD EXAMIANS APP