Electromagnetic Field Theory When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ . Refraction Transmission Reflection None of these Refraction Transmission Reflection None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Cork Screw rule is used to find direction of magnetic field. direction of electric field. direction of current. direction of emf. direction of magnetic field. direction of electric field. direction of current. direction of emf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A potential field is given by V = 3x2 y – yz. The electric field at P(2, -1, 4) is 12 Ix - 8 Iy V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix + 8 Iy + Iz V/m. 12 Ix - Iz V/m. 12 Ix - 8 Iy V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix + 8 Iy + Iz V/m. 12 Ix - Iz V/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Very high Zero Very low Infinite Very high Zero Very low Infinite ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The ability of charged bodies to exert force on one another is attributed to the existence of electrons. neutrons. protons. electric field. electrons. neutrons. protons. electric field. 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 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. perpendicular to the circumference of the wire. parallel to the plane of the wire. ANSWER DOWNLOAD EXAMIANS APP