Electromagnetic Field Theory The magnetic intensity in A/m at the centre of circular coil of diameter 1m and carrying a current of 2A is 2. 8. 3. 4. 2. 8. 3. 4. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Radiation intensity in a given direction is the Power radiated per unit solid angle in that direction None of these Power radiated per square metre Energy radiated per square metre Power radiated per unit solid angle in that direction None of these Power radiated per square metre Energy radiated per square metre ANSWER DOWNLOAD EXAMIANS APP
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 are both finite. the net force and torque on the coil are both zero. the net force is zero but torque is finite. the net force is finite but torque is zero. the net force and torque are both finite. the net force and torque on the coil are both zero. the net force is zero but torque is finite. the net force is finite but torque is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two identical circular coils, one closed and another is little split (not enclosed) are placed in an uniform magnetic field which decrease at a constant rate. If the plane to the coils are perpendicular to the field which of the following statements is true? Joule heating does not occur in each of the coils. An emf is induced in split coil. An emf is induced in both coils. Equal joule heating occurs in both coils. Joule heating does not occur in each of the coils. An emf is induced in split coil. An emf is induced in both coils. Equal joule heating occurs in both coils. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point charge in space is attracted towards a dielectric material because of the maximisation of electrostatic flux. all of above. phenomenon of dielectric polarisation. dielectric hysteresis. maximisation of electrostatic flux. all of above. phenomenon of dielectric polarisation. dielectric hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The field at any point on the axis of a current carrying coil will be parallel to axis. zero. at angle of 45° with the axis. perpendicular to the axis. parallel to axis. zero. at angle of 45° with the axis. perpendicular to the axis. ANSWER DOWNLOAD EXAMIANS APP