Electromagnetic Field Theory Find the strength of the magnetic field when a 2m long conductor is moving with a velocity 4m/s inducing an emf of 20V. 10T. 5T. 2.5T. 0.5T. 10T. 5T. 2.5T. 0.5T. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A dipole having a moment p – 3ux - 5uy + 10uz ncm is located at p(1,2,-4) in free space. The V as Q(2,3,4) is 2.62 V. 2.52 V. 1.26 V. 1.31 V. 2.62 V. 2.52 V. 1.26 V. 1.31 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which statement does not say that electrostatic field is conservative? The work done in a closed path inside the fields is zero. If the curl of E is identically zero. If is gradient of a scalar potential. The potential difference between two points is zero. The work done in a closed path inside the fields is zero. If the curl of E is identically zero. If is gradient of a scalar potential. The potential difference between two points is zero. 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. QR. Q√(R2 + d2). QR2/d. QD. QR. Q√(R2 + d2). QR2/d. 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 BL2I. BI2L. zero. BIL. BL2I. BI2L. zero. BIL. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have low hysteresis loss. both a and b. low permeability. high permeability. low hysteresis loss. both a and b. low permeability. high permeability. ANSWER DOWNLOAD EXAMIANS APP