Electromagnetic Field Theory A conductor is rotating with in a magnetic field. At which of the positions do the peak voltages occur? At an angle of 45° to the axis of the magnetic field. Anywhere. Along the axis of the magnetic field. At right angles to the axis of the magnetic field. At an angle of 45° to the axis of the magnetic field. Anywhere. Along the axis of the magnetic field. At right angles to the axis of the magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A plane wave magnetic field is represented by Bx = cos(y – ct). The electric and magnetic fields will be zero in the direction Ex = Ey = 0, Bx = By = 0. Ex = Ey = 0, By = Bz = 0. None of these. Ey = Ez = 0, By = Bz = 0. Ex = Ey = 0, Bx = By = 0. Ex = Ey = 0, By = Bz = 0. None of these. Ey = Ez = 0, By = Bz = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A fan blade of length 2R rotates in a time period T in a magnetic field B. The induced voltage in the blade is proportional to R2BT. R2B / T. RBT. 2RBT. R2BT. R2B / T. RBT. 2RBT. ANSWER DOWNLOAD EXAMIANS APP
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 long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exits between the conductor and the ground. The maximum electric stress occur at The lower surface of the conductor. Midway between the conductor and ground. The ground surface. The upper surface of the conductor. The lower surface of the conductor. Midway between the conductor and ground. The ground surface. The upper surface of the conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point charge in space is attracted towards a dielectric material because of the all of above. phenomenon of dielectric polarisation. maximisation of electrostatic flux. dielectric hysteresis. all of above. phenomenon of dielectric polarisation. maximisation of electrostatic flux. dielectric hysteresis. ANSWER DOWNLOAD EXAMIANS APP