Electromagnetic Field Theory A point charge in space is attracted towards a dielectric material because of the all of above. dielectric hysteresis. phenomenon of dielectric polarisation. maximisation of electrostatic flux. all of above. dielectric hysteresis. phenomenon of dielectric polarisation. maximisation of electrostatic flux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following impedance inversion is obtained? A half wave line A quarter wave line Short-circuited stub Balun transformer A half wave line A quarter wave line Short-circuited stub Balun transformer ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is constant and field is varying then emf will be induced. This principle is called static induced emf. None of these virtually induced emf. dynamically induced emf. static induced emf. None of these virtually induced emf. dynamically induced emf. 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 200 V. 0 V. 900 V. 1800 V. 200 V. 0 V. 900 V. 1800 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor when connected across 220 V, 50 Hz supply consumes 100 W. From the above statement it can be concluded that the inductor is made of thin wire. the inductor is non linear. the above statement is false. the inductor has ferrite core. the inductor is made of thin wire. the inductor is non linear. the above statement is false. the inductor has ferrite core. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An inductor designed with 400 turns coil wound on an iron core of 16 cm2 cross sectional area and with a cut of air gap length of 1 mm. The coil is connected to a 230 V, 50 Hz supply. Neglected coil resistance, core loss, iron reluctance and leakage inductance. Find the current in the inductor. 9.04 A. 18.08 A. 4.56 A. 2.28 A. 9.04 A. 18.08 A. 4.56 A. 2.28 A. ANSWER DOWNLOAD EXAMIANS APP