Electromagnetic Field Theory The force required to seperate two surfaces with a contact area measuring 5 cm by 6 cm, when flux density normal to the surface is 0.8 tesla, will be 76.4 N. 764 N. 7640 N. 76400 N. 76.4 N. 764 N. 7640 N. 76400 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If the static magnetic flux density is B, then Divergence of B = 0. Divergence of B = J. Curl of B = 0. Curl of B = J. Divergence of B = 0. Divergence of B = J. Curl of B = 0. Curl of B = J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The lagging of flux density behind the applied magnetising force is known as All of these permeance. hysteresis. flux. All of these permeance. hysteresis. flux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For DC voltage an inductor is virtually a depends on magnitude of voltage. depends on polarity. open circuit. short circuit. depends on magnitude of voltage. depends on polarity. open circuit. short circuit. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a line characteristic impedance zo terminated is load zo/3, the reflection coefficient is – 1/3. 2/3. – ½. 1/3. – 1/3. 2/3. – ½. 1/3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A potential field is given by V = 3x2 y – yz. The electric field at P(2, -1, 4) is 12 Ix - 8 Iy V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix - Iz V/m. 12 Ix + 8 Iy + Iz V/m. 12 Ix - 8 Iy V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix - Iz V/m. 12 Ix + 8 Iy + Iz V/m. ANSWER DOWNLOAD EXAMIANS APP