Electromagnetic Field Theory For an inductor, current is proportional to magnetic field. both (A) and (B). none of them. voltage across the inductor. magnetic field. both (A) and (B). none of them. voltage across the inductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If E is the electric field intensity, then what is the value of divergence of (curl of E)? | E |. E. Null vector. Zero. | E |. E. Null vector. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find H for centre of solenoid having finite length d = 1 unit where N = no of turns = 500, I = 2 A. 100. 500. 1000. None of these. 100. 500. 1000. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH. 145. 225. 150. 250. 145. 225. 150. 250. 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 450. 600. 300. 150. 450. 600. 300. 150. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The effective reactance of an inductive coil increases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. decreases because of stray capacitance as the frequency increases. none of these. increases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. decreases because of stray capacitance as the frequency increases. none of these. ANSWER DOWNLOAD EXAMIANS APP