Electromagnetic Field Theory Which of the following is multiband HF receiving antenna? Folded dipole Square loop Conical horn Log-periodic Folded dipole Square loop Conical horn Log-periodic ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Saturation magnetism. Retentivity. Hysteresis. Coercivity. Saturation magnetism. Retentivity. Hysteresis. Coercivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The principle of dynamically induced emf is utilized in a transformer. choke. thermocouple. generator. transformer. choke. thermocouple. generator. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A wire carrying current is bent in the form of a circular loop. Then the magnetic field around each portion of the wire will be perpendicular to the circumference of the wire. parallel to the plane of the wire. none of above. parallel to half portion and perpendicular for the other half. perpendicular to the circumference of the wire. parallel to the plane of the wire. none of above. parallel to half portion and perpendicular for the other half. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory ________ at a point is defined as the force experienced per unit positive charge at a point placed in the electric field. Electric intensity. Electric flux. None of these Magnetic flux density. Electric intensity. Electric flux. None of these Magnetic flux density. 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. 4.56 A. 18.08 A. 2.28 A. 9.04 A. 4.56 A. 18.08 A. 2.28 A. 9.04 A. ANSWER DOWNLOAD EXAMIANS APP