Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Retentivity. Saturation magnetism. Hysteresis. Coercivity. Retentivity. Saturation magnetism. Hysteresis. Coercivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of all flux from the current in coil 1 links with coil 2, the coefficient of coupling will be Zero. 2.0. 0.5. 1.0. Zero. 2.0. 0.5. 1.0. ANSWER DOWNLOAD EXAMIANS APP
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. 5T. 10T. 0.5T. 2.5T. 5T. 10T. 0.5T. 2.5T. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression Divergence of B = 0. Curl of H = J + (δ D)/(δ t). Surface integral of (j.ds) = 0. Divergence of D = ρv. Divergence of B = 0. Curl of H = J + (δ D)/(δ t). Surface integral of (j.ds) = 0. Divergence of D = ρv. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of force acting on a current carrying conductor placed in a magnetic field is independent of length of conductor. flux density. cross-sectional area of conductor. current flowing through the conductor. length of conductor. flux density. cross-sectional area of conductor. current flowing through the conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be 4. 8. 1. 2. 4. 8. 1. 2. ANSWER DOWNLOAD EXAMIANS APP