Electromagnetic Field Theory If an electric current carrying coil is placed in a uniform magnetic field in the direction of magnetic induction, then the net force and torque on the coil are both zero. the net force is zero but torque is finite. the net force and torque are both finite. the net force is finite but torque is zero. the net force and torque on the coil are both zero. the net force is zero but torque is finite. the net force and torque are both finite. the net force is finite but torque is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement is correct for divergence of electric and magnetic flux densities? Both are zero. These are zero for static densities but non zero for time varying densities. It is zero for the electric flux density. It is zero for the magnetic flux density. Both are zero. These are zero for static densities but non zero for time varying densities. It is zero for the electric flux density. It is zero for the magnetic flux density. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An insulated metal sphere of 20 cm diameter is charged by rubbing with charges 2 × 10-8 C. Potential developed will be 900 V. 0 V. 200 V. 1800 V. 900 V. 0 V. 200 V. 1800 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in which of the following? All of these TV broadcast Radio astronomy Point-to-point communication All of these TV broadcast Radio astronomy Point-to-point communication ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An open wire transmission line having a characteristic impedance of 600 ohms is terminated by a resistive load of 900 O. The standing wave ratio will be 4.5 1.5 2.5 3.5 4.5 1.5 2.5 3.5 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS