Electromagnetic Field Theory Electric flux in coulombs emanating from any surface of a cube containing C coulombs of charge at its centre is 4πQ / 6ε. Q / 4π. Q / 6. Q / 6ε. 4πQ / 6ε. Q / 4π. Q / 6. Q / 6ε. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric dipole of moment P is placed in front of a ground sphere. The change induced on the surface of the sphere is (Assume radius of sphere = R and distance from dipole to centre of sphere = d) PR/d. Zero. PR/d2. PR 2/d3. PR/d. Zero. PR/d2. PR 2/d3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Unit of electric flux density is coulomb / meter2. coulomb. weber / meter2. farad / meter. coulomb / meter2. coulomb. weber / meter2. farad / meter. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The transmitting antennas for lower frequencies (below 500 kHz) are generally Horizontal suspended wire type Parabolic reflector type Vertical grounded wire type Any of the above Horizontal suspended wire type Parabolic reflector type Vertical grounded wire type Any of the above 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 144 μN. 1144 μN. 244 μN. 1440 μN. 144 μN. 1144 μN. 244 μN. 1440 μN. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will increase. decrease. initially increase and then decrease. remain the same. increase. decrease. initially increase and then decrease. remain the same. ANSWER DOWNLOAD EXAMIANS APP