Electromagnetic Field Theory A voltage waveform V(t) = 12t2 is applied across a 1H inductor for t = 0, with initial current through it being zero. The current through the inductor for t = 0 is given by 12t. 12t3. 4t3. 24t. 12t. 12t3. 4t3. 24t. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of total electric flux coming out of a closed surface? Equal to volume change density. Equal to the surface charge density. Equal to total charge enclosed by the surface. Zero. Equal to volume change density. Equal to the surface charge density. Equal to total charge enclosed by the surface. Zero. 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 - Iz V/m. 12 Ix + 8 Iy + Iz V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix - 8 Iy V/m. 12 Ix - Iz V/m. 12 Ix + 8 Iy + Iz V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix - 8 Iy V/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Mutual inductance between two magnetically coupled coils depends on permeability of core. cross sectional area of their common core. all of above. the number of their turns. permeability of core. cross sectional area of their common core. all of above. the number of their turns. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force on a charge moving with velocity v under the influence of electric and magnetic fields is given by which one of the following q(E + B × V). q(E +V × H). q(E + V × B). q(H + V × E). q(E + B × V). q(E +V × H). q(E + V × B). q(H + V × E). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point pole has a strength of 4π × 10-4 weber. The force in newtons on a point pole of 4π × 1.5 × 10-4 weber placed at a distance of 10 cm from it will be 20 N. 7.5 N. 15 N. 3.75 N. 20 N. 7.5 N. 15 N. 3.75 N. ANSWER DOWNLOAD EXAMIANS APP
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