Electromagnetic Field Theory Which statement does not say that electrostatic field is conservative? The potential difference between two points is zero. If is gradient of a scalar potential. The work done in a closed path inside the fields is zero. If the curl of E is identically zero. The potential difference between two points is zero. If is gradient of a scalar potential. The work done in a closed path inside the fields is zero. If the curl of E is identically zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A negative point charge q = - 40 nC is moving with velocity of 6 × 106 m/s in a direction specited by unit vector uy + 0.6 uz. Find the magnitude of force vector on the moving particle by the field B = 2 ux + 3 uy + 5 uz mT and E = 2 ux - 3 uy + 5 uz KV/m 244 μN. 144 μN. 1440 μN. 1144 μN. 244 μN. 144 μN. 1440 μN. 1144 μN. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In order to minimize loss due to hysteresis the magnetic material should have high resistivity. small B-H loop area. high hysteresis coefficient. large coercivity. high resistivity. small B-H loop area. high hysteresis coefficient. large coercivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The lagging of flux density behind the applied magnetising force is known as hysteresis. All of these flux. permeance. hysteresis. All of these flux. permeance. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 1 metre moves at right angles to magnetic field of flux density 1 Wb/m2 with a velocity of 25 m/s. The induced emf in the conductor will be 75 V. 25 V. 50 V. 100 V. 75 V. 25 V. 50 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following impedance inversion is obtained? Short-circuited stub A half wave line A quarter wave line Balun transformer Short-circuited stub A half wave line A quarter wave line Balun transformer ANSWER DOWNLOAD EXAMIANS APP