Electromagnetic Field Theory XEROX machine is working on heating effect of current. electrostatic effect. peltier effect. magnetic effect. heating effect of current. electrostatic effect. peltier effect. magnetic effect. 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 0 V. 1800 V. 900 V. 200 V. 0 V. 1800 V. 900 V. 200 V. 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. Equal joule heating occurs in both coils. An emf is induced in both coils. Joule heating does not occur in each of the coils. An emf is induced in split coil. Equal joule heating occurs in both coils. An emf is induced in both coils. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 4.15 db 2.15 db 3 db 6 db 4.15 db 2.15 db 3 db 6 db ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The lagging of flux density behind the applied magnetising force is known as All of these flux. permeance. hysteresis. All of these flux. permeance. hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement is correct for divergence of electric and magnetic flux densities? It is zero for the magnetic flux density. These are zero for static densities but non zero for time varying densities. It is zero for the electric flux density. Both are zero. It is zero for the magnetic flux density. These are zero for static densities but non zero for time varying densities. It is zero for the electric flux density. Both are zero. ANSWER DOWNLOAD EXAMIANS APP