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. 5.25m. 0.6m. 0.5m. 6.25m. 5.25m. 0.6m. 0.5m. 6.25m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If in a 1 mF capacitor, an instantaneous displacement current of 1 A is to be established in the spaces between its plates then it is possible by applying 106 Amp/sec. 106 volts/sec. 106 Amp. 106 volts. 106 Amp/sec. 106 volts/sec. 106 Amp. 106 volts. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If the static magnetic flux density is B, then Divergence of B = J. Curl of B = J. Divergence of B = 0. Curl of B = 0. Divergence of B = J. Curl of B = J. Divergence of B = 0. Curl of B = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The transmitting antennas for lower frequencies (below 500 kHz) are generally Vertical grounded wire type Parabolic reflector type Horizontal suspended wire type Any of the above Vertical grounded wire type Parabolic reflector type Horizontal suspended wire type Any of the above 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/d2. Zero. PR 2/d3. PR/d. PR/d2. Zero. PR 2/d3. PR/d. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two infinite parallel metal plates are charged with equal surface charge density of the same polarity. The electric field in the gap between the plates is dependent on coordinates of field points. double the field produced by one plate. same as that produced by one plate. zero. dependent on coordinates of field points. double the field produced by one plate. same as that produced by one plate. zero. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS