Electromagnetic Field Theory Electric field intensity (E) at ant point in an electric field is equal to (potential gradient)1/2. potential gradient. (potential gradient)2. (potential gradient)1/3. (potential gradient)1/2. potential gradient. (potential gradient)2. (potential gradient)1/3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Hysteresis. Retentivity. Saturation magnetism. Coercivity. Hysteresis. Retentivity. Saturation magnetism. Coercivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the length of a conductor which is moving with a velocity 0.4m/s in a magnetic field of 8T, inducing an emf of 20V. 6.25m. 0.5m. 0.6m. 5.25m. 6.25m. 0.5m. 0.6m. 5.25m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If n is the polarization vector and k is the direction of propagation plane electromagnetic wave, then n × k = 0. n = - k. n. k = 0. n = K. n × k = 0. n = - k. n. k = 0. n = K. 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 Oscillating Lagging the current Retardation Accelerating Oscillating Lagging the current Retardation Accelerating ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its rating. cooling. overload capacity. short time rating. rating. cooling. overload capacity. short time rating. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS