Electromagnetic Field Theory For an inductor, current is proportional to both (A) and (B). none of them. magnetic field. voltage across the inductor. both (A) and (B). none of them. magnetic field. voltage across the inductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to A monopole. A dipole. Both of A and B. A quardra pole. A monopole. A dipole. Both of A and B. A quardra pole. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is true for a purely inductive circuit ? Apparent power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. Reactive power of the circuit is zero. Actual power of the circuit is zero. Apparent power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. Reactive power of the circuit is zero. Actual power of the circuit is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The shape of B-H curve for air gap is parabola. hyperbola. ellipse. straight line. parabola. hyperbola. ellipse. straight line. 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 3 db 2.15 db 6 db 4.15 db 3 db 2.15 db 6 db 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. 200 V. 1800 V. 900 V. 0 V. 200 V. 1800 V. 900 V. ANSWER DOWNLOAD EXAMIANS APP