Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Retentivity. Hysteresis. Coercivity. Saturation magnetism. Retentivity. Hysteresis. Coercivity. Saturation magnetism. 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 parallel to half portion and perpendicular for the other half. parallel to the plane of the wire. none of above. perpendicular to the circumference of the wire. parallel to half portion and perpendicular for the other half. parallel to the plane of the wire. none of above. perpendicular to the circumference of the wire. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The skip distance is the maximum distance upto which ionospheric reflection is possible. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which antenna is a wideband antenna? Marconi antenna Hertz antenna Folded dipole None of these Marconi antenna Hertz antenna Folded dipole None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A loop is rotating about x-axis in a magnetic field, B = BO cos(ω + φ) ay. The voltage in the loop is Due to rotating only. Due to transformer only. Zero. Due to both rotating and transformer action. Due to rotating only. Due to transformer only. Zero. Due to both rotating and transformer action. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory It is best to use for coupling a coaxial line to a parallel wire transmission line. Slotted line Tee Directional Coupler Balun Slotted line Tee Directional Coupler Balun ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS