Electromagnetic Field Theory When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as Loss coefficient Transmission efficiency None of these Front to back ratio Loss coefficient Transmission efficiency None of these Front to back ratio ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in Point to point communication Radio astronomy Tv broadcast All of these Point to point communication Radio astronomy Tv broadcast All of these 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. parallel to the plane of the wire. perpendicular to the circumference of the wire. none of above. parallel to half portion and perpendicular for the other half. parallel to the plane of the wire. perpendicular to the circumference of the wire. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic flux density emerging out of a closed surface is infinite. zero. depends on magnetic movements outside the closed surface depends on magnetic movements inside the closed surface. infinite. zero. depends on magnetic movements outside the closed surface depends on magnetic movements inside the closed surface. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of total electric flux coming out of a closed surface? Equal to total charge enclosed by the surface. Equal to the surface charge density. Zero. Equal to volume change density. Equal to total charge enclosed by the surface. Equal to the surface charge density. Zero. Equal to volume change density. ANSWER DOWNLOAD EXAMIANS APP