Electromagnetic Field Theory Unit of electric flux density is coulomb / meter2. weber / meter2. coulomb. farad / meter. coulomb / meter2. weber / meter2. coulomb. farad / meter. 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. 150. 300. 600. 450. 150. 300. 600. 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) QD. Q√(R2 + d2). QR2/d. QR. QD. Q√(R2 + d2). QR2/d. QR. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a dielectric material an applied field in x direction Ex = 5 v/m gives a polarization of px = 3/10π ux nc/m2. The susceptibility of the material is Infinity. Zero. 4.32. 2.16. Infinity. Zero. 4.32. 2.16. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point pole has a strength of 4π × 10-4 weber. The force in newtons on a point pole of 4π × 1.5 × 10-4 weber placed at a distance of 10 cm from it will be 15 N. 7.5 N. 3.75 N. 20 N. 15 N. 7.5 N. 3.75 N. 20 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The electrical field strength at a distance point A due to a point charge +q, located at the origin, is 100 µl v/m. If the point charge is now enclosed by a perfectly conducting metal sheet sphere whose centre is at origin, A, outside the sphere, becomes 0. 100 μ v/m. None of above. - 100 μ v/m. 0. 100 μ v/m. None of above. - 100 μ v/m. ANSWER DOWNLOAD EXAMIANS APP
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